21167293557

素因数分解:

$3^1\times {\mathrm{661}}^1\times {\mathrm{1499}}^1\times {\mathrm{7121}}^1$

素因数の和:9284

約数の個数: 16

約数和(自身を含む): 28288584000

約数和(自身を除く): 7121290443

約数列:

[1, 3, 661, 1499, 1983, 4497, 7121, 21363, 990839, 2972517, 4706981, 10674379, 14120943, 32023137, 7055764519, 21167293557]

約数ペア:

[(1, 21167293557), (3, 7055764519), (661, 32023137), (1499, 14120943), (1983, 10674379), (4497, 4706981), (7121, 2972517), (21363, 990839)]