21379704

素因数分解:

$2^3\times 3^1\times {\mathrm{890821}}^1$

素因数の和:890830

約数の個数: 16

約数和(自身を含む): 53449320

約数和(自身を除く): 32069616

約数列:

[1, 2, 3, 4, 6, 8, 12, 24, 890821, 1781642, 2672463, 3563284, 5344926, 7126568, 10689852, 21379704]

約数ペア:

[(1, 21379704), (2, 10689852), (3, 7126568), (4, 5344926), (6, 3563284), (8, 2672463), (12, 1781642), (24, 890821)]