21019962

素因数分解:

$2^1\times 3^1\times {\mathrm{41}}^1\times {\mathrm{85447}}^1$

素因数の和:85493

約数の個数: 16

約数和(自身を含む): 43065792

約数和(自身を除く): 22045830

約数列:

[1, 2, 3, 6, 41, 82, 123, 246, 85447, 170894, 256341, 512682, 3503327, 7006654, 10509981, 21019962]

約数ペア:

[(1, 21019962), (2, 10509981), (3, 7006654), (6, 3503327), (41, 512682), (82, 256341), (123, 170894), (246, 85447)]