21087274

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{179}}^1\times {\mathrm{197}}^1$

素因数の和:414

約数の個数: 32

約数和(自身を含む): 35925120

約数和(自身を除く): 14837846

約数列:

[1, 2, 13, 23, 26, 46, 179, 197, 299, 358, 394, 598, 2327, 2561, 4117, 4531, 4654, 5122, 8234, 9062, 35263, 53521, 58903, 70526, 107042, 117806, 458419, 811049, 916838, 1622098, 10543637, 21087274]

約数ペア:

[(1, 21087274), (2, 10543637), (13, 1622098), (23, 916838), (26, 811049), (46, 458419), (179, 117806), (197, 107042), (299, 70526), (358, 58903), (394, 53521), (598, 35263), (2327, 9062), (2561, 8234), (4117, 5122), (4531, 4654)]