21666904

素因数分解:

$2^3\times 7^1\times {\mathrm{37}}^1\times {\mathrm{10457}}^1$

素因数の和:10507

約数の個数: 32

約数和(自身を含む): 47688480

約数和(自身を除く): 26021576

約数列:

[1, 2, 4, 7, 8, 14, 28, 37, 56, 74, 148, 259, 296, 518, 1036, 2072, 10457, 20914, 41828, 73199, 83656, 146398, 292796, 386909, 585592, 773818, 1547636, 2708363, 3095272, 5416726, 10833452, 21666904]

約数ペア:

[(1, 21666904), (2, 10833452), (4, 5416726), (7, 3095272), (8, 2708363), (14, 1547636), (28, 773818), (37, 585592), (56, 386909), (74, 292796), (148, 146398), (259, 83656), (296, 73199), (518, 41828), (1036, 20914), (2072, 10457)]