21556272530

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{149}}^1\times {\mathrm{35899}}^1$

素因数の和:36099

約数の個数: 64

約数和(自身を含む): 43424640000

約数和(自身を除く): 21868367470

約数列:

[1, 2, 5, 10, 13, 26, 31, 62, 65, 130, 149, 155, 298, 310, 403, 745, 806, 1490, 1937, 2015, 3874, 4030, 4619, 9238, 9685, 19370, 23095, 35899, 46190, 60047, 71798, 120094, 179495, 300235, 358990, 466687, 600470, 933374, 1112869, 2225738, 2333435, 4666870, 5348951, 5564345, 10697902, 11128690, 14467297, 26744755, 28934594, 53489510, 69536363, 72336485, 139072726, 144672970, 165817481, 331634962, 347681815, 695363630, 829087405, 1658174810, 2155627253, 4311254506, 10778136265, 21556272530]

約数ペア:

[(1, 21556272530), (2, 10778136265), (5, 4311254506), (10, 2155627253), (13, 1658174810), (26, 829087405), (31, 695363630), (62, 347681815), (65, 331634962), (130, 165817481), (149, 144672970), (155, 139072726), (298, 72336485), (310, 69536363), (403, 53489510), (745, 28934594), (806, 26744755), (1490, 14467297), (1937, 11128690), (2015, 10697902), (3874, 5564345), (4030, 5348951), (4619, 4666870), (9238, 2333435), (9685, 2225738), (19370, 1112869), (23095, 933374), (35899, 600470), (46190, 466687), (60047, 358990), (71798, 300235), (120094, 179495)]