21527410

素因数分解:

$2^1\times 5^1\times {\mathrm{47}}^1\times {\mathrm{163}}^1\times {\mathrm{281}}^1$

素因数の和:498

約数の個数: 32

約数和(自身を含む): 39958272

約数和(自身を除く): 18430862

約数列:

[1, 2, 5, 10, 47, 94, 163, 235, 281, 326, 470, 562, 815, 1405, 1630, 2810, 7661, 13207, 15322, 26414, 38305, 45803, 66035, 76610, 91606, 132070, 229015, 458030, 2152741, 4305482, 10763705, 21527410]

約数ペア:

[(1, 21527410), (2, 10763705), (5, 4305482), (10, 2152741), (47, 458030), (94, 229015), (163, 132070), (235, 91606), (281, 76610), (326, 66035), (470, 45803), (562, 38305), (815, 26414), (1405, 15322), (1630, 13207), (2810, 7661)]