21144292

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{149}}^1\times {\mathrm{2729}}^1$

素因数の和:2895

約数の個数: 24

約数和(自身を含む): 40131000

約数和(自身を除く): 18986708

約数列:

[1, 2, 4, 13, 26, 52, 149, 298, 596, 1937, 2729, 3874, 5458, 7748, 10916, 35477, 70954, 141908, 406621, 813242, 1626484, 5286073, 10572146, 21144292]

約数ペア:

[(1, 21144292), (2, 10572146), (4, 5286073), (13, 1626484), (26, 813242), (52, 406621), (149, 141908), (298, 70954), (596, 35477), (1937, 10916), (2729, 7748), (3874, 5458)]