21718606

素因数分解:

$2^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{2539}}^1$

素因数の和:2608

約数の個数: 32

約数和(自身を含む): 40965120

約数和(自身を除く): 19246514

約数列:

[1, 2, 7, 13, 14, 26, 47, 91, 94, 182, 329, 611, 658, 1222, 2539, 4277, 5078, 8554, 17773, 33007, 35546, 66014, 119333, 231049, 238666, 462098, 835331, 1551329, 1670662, 3102658, 10859303, 21718606]

約数ペア:

[(1, 21718606), (2, 10859303), (7, 3102658), (13, 1670662), (14, 1551329), (26, 835331), (47, 462098), (91, 238666), (94, 231049), (182, 119333), (329, 66014), (611, 35546), (658, 33007), (1222, 17773), (2539, 8554), (4277, 5078)]