21812790

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{271}}^1\times {\mathrm{2683}}^1$

素因数の和:2964

約数の個数: 32

約数和(自身を含む): 52563456

約数和(自身を除く): 30750666

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 271, 542, 813, 1355, 1626, 2683, 2710, 4065, 5366, 8049, 8130, 13415, 16098, 26830, 40245, 80490, 727093, 1454186, 2181279, 3635465, 4362558, 7270930, 10906395, 21812790]

約数ペア:

[(1, 21812790), (2, 10906395), (3, 7270930), (5, 4362558), (6, 3635465), (10, 2181279), (15, 1454186), (30, 727093), (271, 80490), (542, 40245), (813, 26830), (1355, 16098), (1626, 13415), (2683, 8130), (2710, 8049), (4065, 5366)]