21367476

素因数分解:

$2^2\times 3^5\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{89}}^1$

素因数の和:140

約数の個数: 144

約数和(自身を含む): 64209600

約数和(自身を除く): 42842124

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 18, 19, 26, 27, 36, 38, 39, 52, 54, 57, 76, 78, 81, 89, 108, 114, 117, 156, 162, 171, 178, 228, 234, 243, 247, 267, 324, 342, 351, 356, 468, 486, 494, 513, 534, 684, 702, 741, 801, 972, 988, 1026, 1053, 1068, 1157, 1404, 1482, 1539, 1602, 1691, 2052, 2106, 2223, 2314, 2403, 2964, 3078, 3159, 3204, 3382, 3471, 4212, 4446, 4617, 4628, 4806, 5073, 6156, 6318, 6669, 6764, 6942, 7209, 8892, 9234, 9612, 10146, 10413, 12636, 13338, 13884, 14418, 15219, 18468, 20007, 20292, 20826, 21627, 21983, 26676, 28836, 30438, 31239, 40014, 41652, 43254, 43966, 45657, 60021, 60876, 62478, 65949, 80028, 86508, 87932, 91314, 93717, 120042, 124956, 131898, 136971, 182628, 187434, 197847, 240084, 263796, 273942, 281151, 374868, 395694, 410913, 547884, 562302, 593541, 791388, 821826, 1124604, 1187082, 1643652, 1780623, 2374164, 3561246, 5341869, 7122492, 10683738, 21367476]

約数ペア:

[(1, 21367476), (2, 10683738), (3, 7122492), (4, 5341869), (6, 3561246), (9, 2374164), (12, 1780623), (13, 1643652), (18, 1187082), (19, 1124604), (26, 821826), (27, 791388), (36, 593541), (38, 562302), (39, 547884), (52, 410913), (54, 395694), (57, 374868), (76, 281151), (78, 273942), (81, 263796), (89, 240084), (108, 197847), (114, 187434), (117, 182628), (156, 136971), (162, 131898), (171, 124956), (178, 120042), (228, 93717), (234, 91314), (243, 87932), (247, 86508), (267, 80028), (324, 65949), (342, 62478), (351, 60876), (356, 60021), (468, 45657), (486, 43966), (494, 43254), (513, 41652), (534, 40014), (684, 31239), (702, 30438), (741, 28836), (801, 26676), (972, 21983), (988, 21627), (1026, 20826), (1053, 20292), (1068, 20007), (1157, 18468), (1404, 15219), (1482, 14418), (1539, 13884), (1602, 13338), (1691, 12636), (2052, 10413), (2106, 10146), (2223, 9612), (2314, 9234), (2403, 8892), (2964, 7209), (3078, 6942), (3159, 6764), (3204, 6669), (3382, 6318), (3471, 6156), (4212, 5073), (4446, 4806), (4617, 4628)]