21712784

素因数分解:

$2^4\times {\mathrm{37}}^1\times {\mathrm{36677}}^1$

素因数の和:36722

約数の個数: 20

約数和(自身を含む): 43206684

約数和(自身を除く): 21493900

約数列:

[1, 2, 4, 8, 16, 37, 74, 148, 296, 592, 36677, 73354, 146708, 293416, 586832, 1357049, 2714098, 5428196, 10856392, 21712784]

約数ペア:

[(1, 21712784), (2, 10856392), (4, 5428196), (8, 2714098), (16, 1357049), (37, 586832), (74, 293416), (148, 146708), (296, 73354), (592, 36677)]