21747804

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^1\times {\mathrm{139409}}^1$

素因数の和:139429

約数の個数: 24

約数和(自身を含む): 54648720

約数和(自身を除く): 32900916

約数列:

[1, 2, 3, 4, 6, 12, 13, 26, 39, 52, 78, 156, 139409, 278818, 418227, 557636, 836454, 1672908, 1812317, 3624634, 5436951, 7249268, 10873902, 21747804]

約数ペア:

[(1, 21747804), (2, 10873902), (3, 7249268), (4, 5436951), (6, 3624634), (12, 1812317), (13, 1672908), (26, 836454), (39, 557636), (52, 418227), (78, 278818), (156, 139409)]