21790332

素因数分解:

$2^2\times 3^2\times {\mathrm{499}}^1\times {\mathrm{1213}}^1$

素因数の和:1722

約数の個数: 36

約数和(自身を含む): 55237000

約数和(自身を除く): 33446668

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 499, 998, 1213, 1497, 1996, 2426, 2994, 3639, 4491, 4852, 5988, 7278, 8982, 10917, 14556, 17964, 21834, 43668, 605287, 1210574, 1815861, 2421148, 3631722, 5447583, 7263444, 10895166, 21790332]

約数ペア:

[(1, 21790332), (2, 10895166), (3, 7263444), (4, 5447583), (6, 3631722), (9, 2421148), (12, 1815861), (18, 1210574), (36, 605287), (499, 43668), (998, 21834), (1213, 17964), (1497, 14556), (1996, 10917), (2426, 8982), (2994, 7278), (3639, 5988), (4491, 4852)]