21434730

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{811}}^1\times {\mathrm{881}}^1$

素因数の和:1702

約数の個数: 32

約数和(自身を含む): 51565248

約数和(自身を除く): 30130518

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 811, 881, 1622, 1762, 2433, 2643, 4055, 4405, 4866, 5286, 8110, 8810, 12165, 13215, 24330, 26430, 714491, 1428982, 2143473, 3572455, 4286946, 7144910, 10717365, 21434730]

約数ペア:

[(1, 21434730), (2, 10717365), (3, 7144910), (5, 4286946), (6, 3572455), (10, 2143473), (15, 1428982), (30, 714491), (811, 26430), (881, 24330), (1622, 13215), (1762, 12165), (2433, 8810), (2643, 8110), (4055, 5286), (4405, 4866)]