21528086

素因数分解:

$2^1\times {\mathrm{17}}^1\times {\mathrm{401}}^1\times {\mathrm{1579}}^1$

素因数の和:1999

約数の個数: 16

約数和(自身を含む): 34298640

約数和(自身を除く): 12770554

約数列:

[1, 2, 17, 34, 401, 802, 1579, 3158, 6817, 13634, 26843, 53686, 633179, 1266358, 10764043, 21528086]

約数ペア:

[(1, 21528086), (2, 10764043), (17, 1266358), (34, 633179), (401, 53686), (802, 26843), (1579, 13634), (3158, 6817)]