21548772

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{233}}^1\times {\mathrm{367}}^1$

素因数の和:617

約数の個数: 72

約数和(自身を含む): 62689536

約数和(自身を除く): 41140764

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 28, 36, 42, 63, 84, 126, 233, 252, 367, 466, 699, 734, 932, 1101, 1398, 1468, 1631, 2097, 2202, 2569, 2796, 3262, 3303, 4194, 4404, 4893, 5138, 6524, 6606, 7707, 8388, 9786, 10276, 13212, 14679, 15414, 19572, 23121, 29358, 30828, 46242, 58716, 85511, 92484, 171022, 256533, 342044, 513066, 598577, 769599, 1026132, 1197154, 1539198, 1795731, 2394308, 3078396, 3591462, 5387193, 7182924, 10774386, 21548772]

約数ペア:

[(1, 21548772), (2, 10774386), (3, 7182924), (4, 5387193), (6, 3591462), (7, 3078396), (9, 2394308), (12, 1795731), (14, 1539198), (18, 1197154), (21, 1026132), (28, 769599), (36, 598577), (42, 513066), (63, 342044), (84, 256533), (126, 171022), (233, 92484), (252, 85511), (367, 58716), (466, 46242), (699, 30828), (734, 29358), (932, 23121), (1101, 19572), (1398, 15414), (1468, 14679), (1631, 13212), (2097, 10276), (2202, 9786), (2569, 8388), (2796, 7707), (3262, 6606), (3303, 6524), (4194, 5138), (4404, 4893)]