21332157028

素因数分解:

$2^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{449}}^1\times {\mathrm{130523}}^1$

素因数の和:130996

約数の個数: 48

約数和(自身を含む): 46048867200

約数和(自身を除く): 24716710172

約数列:

[1, 2, 4, 7, 13, 14, 26, 28, 52, 91, 182, 364, 449, 898, 1796, 3143, 5837, 6286, 11674, 12572, 23348, 40859, 81718, 130523, 163436, 261046, 522092, 913661, 1696799, 1827322, 3393598, 3654644, 6787196, 11877593, 23755186, 47510372, 58604827, 117209654, 234419308, 410233789, 761862751, 820467578, 1523725502, 1640935156, 3047451004, 5333039257, 10666078514, 21332157028]

約数ペア:

[(1, 21332157028), (2, 10666078514), (4, 5333039257), (7, 3047451004), (13, 1640935156), (14, 1523725502), (26, 820467578), (28, 761862751), (52, 410233789), (91, 234419308), (182, 117209654), (364, 58604827), (449, 47510372), (898, 23755186), (1796, 11877593), (3143, 6787196), (5837, 3654644), (6286, 3393598), (11674, 1827322), (12572, 1696799), (23348, 913661), (40859, 522092), (81718, 261046), (130523, 163436)]