21665491146

素因数分解:

$2^1\times 3^3\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{383}}^1\times {\mathrm{1321}}^1$

素因数の和:1789

約数の個数: 128

約数和(自身を含む): 52876615680

約数和(自身を除く): 31211124534

約数列:

[1, 2, 3, 6, 9, 13, 18, 26, 27, 39, 54, 61, 78, 117, 122, 183, 234, 351, 366, 383, 549, 702, 766, 793, 1098, 1149, 1321, 1586, 1647, 2298, 2379, 2642, 3294, 3447, 3963, 4758, 4979, 6894, 7137, 7926, 9958, 10341, 11889, 14274, 14937, 17173, 20682, 21411, 23363, 23778, 29874, 34346, 35667, 42822, 44811, 46726, 51519, 70089, 71334, 80581, 89622, 103038, 134433, 140178, 154557, 161162, 210267, 241743, 268866, 303719, 309114, 420534, 463671, 483486, 505943, 607438, 630801, 725229, 911157, 927342, 1011886, 1047553, 1261602, 1450458, 1517829, 1822314, 2095106, 2175687, 2733471, 3035658, 3142659, 4351374, 4553487, 5466942, 6285318, 6577259, 8200413, 9106974, 9427977, 13154518, 13660461, 16400826, 18855954, 19731777, 27320922, 28283931, 30862523, 39463554, 56567862, 59195331, 61725046, 92587569, 118390662, 177585993, 185175138, 277762707, 355171986, 401212799, 555525414, 802425598, 833288121, 1203638397, 1666576242, 2407276794, 3610915191, 7221830382, 10832745573, 21665491146]

約数ペア:

[(1, 21665491146), (2, 10832745573), (3, 7221830382), (6, 3610915191), (9, 2407276794), (13, 1666576242), (18, 1203638397), (26, 833288121), (27, 802425598), (39, 555525414), (54, 401212799), (61, 355171986), (78, 277762707), (117, 185175138), (122, 177585993), (183, 118390662), (234, 92587569), (351, 61725046), (366, 59195331), (383, 56567862), (549, 39463554), (702, 30862523), (766, 28283931), (793, 27320922), (1098, 19731777), (1149, 18855954), (1321, 16400826), (1586, 13660461), (1647, 13154518), (2298, 9427977), (2379, 9106974), (2642, 8200413), (3294, 6577259), (3447, 6285318), (3963, 5466942), (4758, 4553487), (4979, 4351374), (6894, 3142659), (7137, 3035658), (7926, 2733471), (9958, 2175687), (10341, 2095106), (11889, 1822314), (14274, 1517829), (14937, 1450458), (17173, 1261602), (20682, 1047553), (21411, 1011886), (23363, 927342), (23778, 911157), (29874, 725229), (34346, 630801), (35667, 607438), (42822, 505943), (44811, 483486), (46726, 463671), (51519, 420534), (70089, 309114), (71334, 303719), (80581, 268866), (89622, 241743), (103038, 210267), (134433, 161162), (140178, 154557)]