21479636

素因数分解:

$2^2\times {\mathrm{17}}^3\times {\mathrm{1093}}^1$

素因数の和:1148

約数の個数: 24

約数和(自身を含む): 39974760

約数和(自身を除く): 18495124

約数列:

[1, 2, 4, 17, 34, 68, 289, 578, 1093, 1156, 2186, 4372, 4913, 9826, 18581, 19652, 37162, 74324, 315877, 631754, 1263508, 5369909, 10739818, 21479636]

約数ペア:

[(1, 21479636), (2, 10739818), (4, 5369909), (17, 1263508), (34, 631754), (68, 315877), (289, 74324), (578, 37162), (1093, 19652), (1156, 18581), (2186, 9826), (4372, 4913)]