21663210

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{347}}^1\times {\mathrm{2081}}^1$

素因数の和:2438

約数の個数: 32

約数和(自身を含む): 52166592

約数和(自身を除く): 30503382

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 347, 694, 1041, 1735, 2081, 2082, 3470, 4162, 5205, 6243, 10405, 10410, 12486, 20810, 31215, 62430, 722107, 1444214, 2166321, 3610535, 4332642, 7221070, 10831605, 21663210]

約数ペア:

[(1, 21663210), (2, 10831605), (3, 7221070), (5, 4332642), (6, 3610535), (10, 2166321), (15, 1444214), (30, 722107), (347, 62430), (694, 31215), (1041, 20810), (1735, 12486), (2081, 10410), (2082, 10405), (3470, 6243), (4162, 5205)]