21101654

素因数分解:

$2^1\times 7^2\times {\mathrm{163}}^1\times {\mathrm{1321}}^1$

素因数の和:1500

約数の個数: 24

約数和(自身を含む): 37074168

約数和(自身を除く): 15972514

約数列:

[1, 2, 7, 14, 49, 98, 163, 326, 1141, 1321, 2282, 2642, 7987, 9247, 15974, 18494, 64729, 129458, 215323, 430646, 1507261, 3014522, 10550827, 21101654]

約数ペア:

[(1, 21101654), (2, 10550827), (7, 3014522), (14, 1507261), (49, 430646), (98, 215323), (163, 129458), (326, 64729), (1141, 18494), (1321, 15974), (2282, 9247), (2642, 7987)]