21527655

素因数分解:

$3^1\times 5^1\times {\mathrm{23}}^2\times {\mathrm{2713}}^1$

素因数の和:2767

約数の個数: 24

約数和(自身を含む): 36020208

約数和(自身を除く): 14492553

約数列:

[1, 3, 5, 15, 23, 69, 115, 345, 529, 1587, 2645, 2713, 7935, 8139, 13565, 40695, 62399, 187197, 311995, 935985, 1435177, 4305531, 7175885, 21527655]

約数ペア:

[(1, 21527655), (3, 7175885), (5, 4305531), (15, 1435177), (23, 935985), (69, 311995), (115, 187197), (345, 62399), (529, 40695), (1587, 13565), (2645, 8139), (2713, 7935)]