21664116

素因数分解:

$2^2\times 3^2\times {\mathrm{157}}^1\times {\mathrm{3833}}^1$

素因数の和:4000

約数の個数: 36

約数和(自身を含む): 55125252

約数和(自身を除く): 33461136

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 157, 314, 471, 628, 942, 1413, 1884, 2826, 3833, 5652, 7666, 11499, 15332, 22998, 34497, 45996, 68994, 137988, 601781, 1203562, 1805343, 2407124, 3610686, 5416029, 7221372, 10832058, 21664116]

約数ペア:

[(1, 21664116), (2, 10832058), (3, 7221372), (4, 5416029), (6, 3610686), (9, 2407124), (12, 1805343), (18, 1203562), (36, 601781), (157, 137988), (314, 68994), (471, 45996), (628, 34497), (942, 22998), (1413, 15332), (1884, 11499), (2826, 7666), (3833, 5652)]