21800478

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{311}}^1\times {\mathrm{1669}}^1$

素因数の和:1992

約数の個数: 32

約数和(自身を含む): 50019840

約数和(自身を除く): 28219362

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 311, 622, 933, 1669, 1866, 2177, 3338, 4354, 5007, 6531, 10014, 11683, 13062, 23366, 35049, 70098, 519059, 1038118, 1557177, 3114354, 3633413, 7266826, 10900239, 21800478]

約数ペア:

[(1, 21800478), (2, 10900239), (3, 7266826), (6, 3633413), (7, 3114354), (14, 1557177), (21, 1038118), (42, 519059), (311, 70098), (622, 35049), (933, 23366), (1669, 13062), (1866, 11683), (2177, 10014), (3338, 6531), (4354, 5007)]