21551324496

素因数分解:

$2^4\times 3^1\times {\mathrm{13}}^1\times {\mathrm{31}}^2\times {\mathrm{83}}^1\times {\mathrm{433}}^1$

素因数の和:602

約数の個数: 240

約数和(自身を含む): 62844602688

約数和(自身を除く): 41293278192

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 16, 24, 26, 31, 39, 48, 52, 62, 78, 83, 93, 104, 124, 156, 166, 186, 208, 248, 249, 312, 332, 372, 403, 433, 496, 498, 624, 664, 744, 806, 866, 961, 996, 1079, 1209, 1299, 1328, 1488, 1612, 1732, 1922, 1992, 2158, 2418, 2573, 2598, 2883, 3224, 3237, 3464, 3844, 3984, 4316, 4836, 5146, 5196, 5629, 5766, 6448, 6474, 6928, 7688, 7719, 8632, 9672, 10292, 10392, 11258, 11532, 12493, 12948, 13423, 15376, 15438, 16887, 17264, 19344, 20584, 20784, 22516, 23064, 24986, 25896, 26846, 30876, 33449, 33774, 35939, 37479, 40269, 41168, 45032, 46128, 49972, 51792, 53692, 61752, 66898, 67548, 71878, 74958, 79763, 80538, 90064, 99944, 100347, 107384, 107817, 123504, 133796, 135096, 143756, 149916, 159526, 161076, 174499, 199888, 200694, 214768, 215634, 239289, 267592, 270192, 287512, 299832, 319052, 322152, 348998, 401388, 416113, 431268, 467207, 478578, 523497, 535184, 575024, 599664, 638104, 644304, 697996, 802776, 832226, 862536, 934414, 957156, 1036919, 1046994, 1114109, 1248339, 1276208, 1395992, 1401621, 1605552, 1664452, 1725072, 1868828, 1914312, 2073838, 2093988, 2228218, 2496678, 2791984, 2803242, 3110757, 3328904, 3342327, 3737656, 3828624, 4147676, 4187976, 4456436, 4993356, 5409469, 5606484, 6221514, 6657808, 6684654, 7475312, 8295352, 8375952, 8912872, 9986712, 10818938, 11212968, 12443028, 13369308, 14483417, 16228407, 16590704, 17825744, 19973424, 21637876, 22425936, 24886056, 26738616, 28966834, 32456814, 34537379, 43275752, 43450251, 49772112, 53477232, 57933668, 64913628, 69074758, 86551504, 86900502, 103612137, 115867336, 129827256, 138149516, 173801004, 207224274, 231734672, 259654512, 276299032, 347602008, 414448548, 448985927, 552598064, 695204016, 828897096, 897971854, 1346957781, 1657794192, 1795943708, 2693915562, 3591887416, 5387831124, 7183774832, 10775662248, 21551324496]

約数ペア:

[(1, 21551324496), (2, 10775662248), (3, 7183774832), (4, 5387831124), (6, 3591887416), (8, 2693915562), (12, 1795943708), (13, 1657794192), (16, 1346957781), (24, 897971854), (26, 828897096), (31, 695204016), (39, 552598064), (48, 448985927), (52, 414448548), (62, 347602008), (78, 276299032), (83, 259654512), (93, 231734672), (104, 207224274), (124, 173801004), (156, 138149516), (166, 129827256), (186, 115867336), (208, 103612137), (248, 86900502), (249, 86551504), (312, 69074758), (332, 64913628), (372, 57933668), (403, 53477232), (433, 49772112), (496, 43450251), (498, 43275752), (624, 34537379), (664, 32456814), (744, 28966834), (806, 26738616), (866, 24886056), (961, 22425936), (996, 21637876), (1079, 19973424), (1209, 17825744), (1299, 16590704), (1328, 16228407), (1488, 14483417), (1612, 13369308), (1732, 12443028), (1922, 11212968), (1992, 10818938), (2158, 9986712), (2418, 8912872), (2573, 8375952), (2598, 8295352), (2883, 7475312), (3224, 6684654), (3237, 6657808), (3464, 6221514), (3844, 5606484), (3984, 5409469), (4316, 4993356), (4836, 4456436), (5146, 4187976), (5196, 4147676), (5629, 3828624), (5766, 3737656), (6448, 3342327), (6474, 3328904), (6928, 3110757), (7688, 2803242), (7719, 2791984), (8632, 2496678), (9672, 2228218), (10292, 2093988), (10392, 2073838), (11258, 1914312), (11532, 1868828), (12493, 1725072), (12948, 1664452), (13423, 1605552), (15376, 1401621), (15438, 1395992), (16887, 1276208), (17264, 1248339), (19344, 1114109), (20584, 1046994), (20784, 1036919), (22516, 957156), (23064, 934414), (24986, 862536), (25896, 832226), (26846, 802776), (30876, 697996), (33449, 644304), (33774, 638104), (35939, 599664), (37479, 575024), (40269, 535184), (41168, 523497), (45032, 478578), (46128, 467207), (49972, 431268), (51792, 416113), (53692, 401388), (61752, 348998), (66898, 322152), (67548, 319052), (71878, 299832), (74958, 287512), (79763, 270192), (80538, 267592), (90064, 239289), (99944, 215634), (100347, 214768), (107384, 200694), (107817, 199888), (123504, 174499), (133796, 161076), (135096, 159526), (143756, 149916)]