21972444

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{2309}}^1$

素因数の和:2390

約数の個数: 48

約数和(自身を含む): 56142240

約数和(自身を除く): 34169796

約数列:

[1, 2, 3, 4, 6, 12, 13, 26, 39, 52, 61, 78, 122, 156, 183, 244, 366, 732, 793, 1586, 2309, 2379, 3172, 4618, 4758, 6927, 9236, 9516, 13854, 27708, 30017, 60034, 90051, 120068, 140849, 180102, 281698, 360204, 422547, 563396, 845094, 1690188, 1831037, 3662074, 5493111, 7324148, 10986222, 21972444]

約数ペア:

[(1, 21972444), (2, 10986222), (3, 7324148), (4, 5493111), (6, 3662074), (12, 1831037), (13, 1690188), (26, 845094), (39, 563396), (52, 422547), (61, 360204), (78, 281698), (122, 180102), (156, 140849), (183, 120068), (244, 90051), (366, 60034), (732, 30017), (793, 27708), (1586, 13854), (2309, 9516), (2379, 9236), (3172, 6927), (4618, 4758)]