21840804890

素因数分解:

$2^1\times 5^1\times {\mathrm{907}}^1\times {\mathrm{1471}}^1\times {\mathrm{1637}}^1$

素因数の和:4022

約数の個数: 32

約数和(自身を含む): 39407606784

約数和(自身を除く): 17566801894

約数列:

[1, 2, 5, 10, 907, 1471, 1637, 1814, 2942, 3274, 4535, 7355, 8185, 9070, 14710, 16370, 1334197, 1484759, 2408027, 2668394, 2969518, 4816054, 6670985, 7423795, 12040135, 13341970, 14847590, 24080270, 2184080489, 4368160978, 10920402445, 21840804890]

約数ペア:

[(1, 21840804890), (2, 10920402445), (5, 4368160978), (10, 2184080489), (907, 24080270), (1471, 14847590), (1637, 13341970), (1814, 12040135), (2942, 7423795), (3274, 6670985), (4535, 4816054), (7355, 2969518), (8185, 2668394), (9070, 2408027), (14710, 1484759), (16370, 1334197)]