21292364

素因数分解:

$2^2\times {\mathrm{17}}^2\times {\mathrm{113}}^1\times {\mathrm{163}}^1$

素因数の和:314

約数の個数: 36

約数和(自身を含む): 40177704

約数和(自身を除く): 18885340

約数列:

[1, 2, 4, 17, 34, 68, 113, 163, 226, 289, 326, 452, 578, 652, 1156, 1921, 2771, 3842, 5542, 7684, 11084, 18419, 32657, 36838, 47107, 65314, 73676, 94214, 130628, 188428, 313123, 626246, 1252492, 5323091, 10646182, 21292364]

約数ペア:

[(1, 21292364), (2, 10646182), (4, 5323091), (17, 1252492), (34, 626246), (68, 313123), (113, 188428), (163, 130628), (226, 94214), (289, 73676), (326, 65314), (452, 47107), (578, 36838), (652, 32657), (1156, 18419), (1921, 11084), (2771, 7684), (3842, 5542)]