21317218

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{17}}^2\times {\mathrm{2837}}^1$

素因数の和:2886

約数の個数: 24

約数和(自身を含む): 36593172

約数和(自身を除く): 15275954

約数列:

[1, 2, 13, 17, 26, 34, 221, 289, 442, 578, 2837, 3757, 5674, 7514, 36881, 48229, 73762, 96458, 626977, 819893, 1253954, 1639786, 10658609, 21317218]

約数ペア:

[(1, 21317218), (2, 10658609), (13, 1639786), (17, 1253954), (26, 819893), (34, 626977), (221, 96458), (289, 73762), (442, 48229), (578, 36881), (2837, 7514), (3757, 5674)]