21130398

素因数分解:

$2^1\times 3^2\times {\mathrm{241}}^1\times {\mathrm{4871}}^1$

素因数の和:5120

約数の個数: 24

約数和(自身を含む): 45981936

約数和(自身を除く): 24851538

約数列:

[1, 2, 3, 6, 9, 18, 241, 482, 723, 1446, 2169, 4338, 4871, 9742, 14613, 29226, 43839, 87678, 1173911, 2347822, 3521733, 7043466, 10565199, 21130398]

約数ペア:

[(1, 21130398), (2, 10565199), (3, 7043466), (6, 3521733), (9, 2347822), (18, 1173911), (241, 87678), (482, 43839), (723, 29226), (1446, 14613), (2169, 9742), (4338, 4871)]