21146445

素因数分解:

$3^2\times 5^1\times {\mathrm{311}}^1\times {\mathrm{1511}}^1$

素因数の和:1833

約数の個数: 24

約数和(自身を含む): 36796032

約数和(自身を除く): 15649587

約数列:

[1, 3, 5, 9, 15, 45, 311, 933, 1511, 1555, 2799, 4533, 4665, 7555, 13599, 13995, 22665, 67995, 469921, 1409763, 2349605, 4229289, 7048815, 21146445]

約数ペア:

[(1, 21146445), (3, 7048815), (5, 4229289), (9, 2349605), (15, 1409763), (45, 469921), (311, 67995), (933, 22665), (1511, 13995), (1555, 13599), (2799, 7555), (4533, 4665)]