21580588

素因数分解:

$2^2\times {\mathrm{31}}^1\times {\mathrm{79}}^1\times {\mathrm{2203}}^1$

素因数の和:2317

約数の個数: 24

約数和(自身を含む): 39495680

約数和(自身を除く): 17915092

約数列:

[1, 2, 4, 31, 62, 79, 124, 158, 316, 2203, 2449, 4406, 4898, 8812, 9796, 68293, 136586, 174037, 273172, 348074, 696148, 5395147, 10790294, 21580588]

約数ペア:

[(1, 21580588), (2, 10790294), (4, 5395147), (31, 696148), (62, 348074), (79, 273172), (124, 174037), (158, 136586), (316, 68293), (2203, 9796), (2449, 8812), (4406, 4898)]