21278225004

素因数分解:

$2^2\times 3^1\times {\mathrm{1613}}^1\times {\mathrm{1099309}}^1$

素因数の和:1100929

約数の個数: 24

約数和(自身を含む): 49680017520

約数和(自身を除く): 28401792516

約数列:

[1, 2, 3, 4, 6, 12, 1613, 3226, 4839, 6452, 9678, 19356, 1099309, 2198618, 3297927, 4397236, 6595854, 13191708, 1773185417, 3546370834, 5319556251, 7092741668, 10639112502, 21278225004]

約数ペア:

[(1, 21278225004), (2, 10639112502), (3, 7092741668), (4, 5319556251), (6, 3546370834), (12, 1773185417), (1613, 13191708), (3226, 6595854), (4839, 4397236), (6452, 3297927), (9678, 2198618), (19356, 1099309)]