21623984

素因数分解:

$2^4\times {\mathrm{37}}^1\times {\mathrm{36527}}^1$

素因数の和:36572

約数の個数: 20

約数和(自身を含む): 43029984

約数和(自身を除く): 21406000

約数列:

[1, 2, 4, 8, 16, 37, 74, 148, 296, 592, 36527, 73054, 146108, 292216, 584432, 1351499, 2702998, 5405996, 10811992, 21623984]

約数ペア:

[(1, 21623984), (2, 10811992), (4, 5405996), (8, 2702998), (16, 1351499), (37, 584432), (74, 292216), (148, 146108), (296, 73054), (592, 36527)]