21690804

素因数分解:

$2^2\times 3^1\times {\mathrm{41}}^1\times {\mathrm{44087}}^1$

素因数の和:44135

約数の個数: 24

約数和(自身を含む): 51847488

約数和(自身を除く): 30156684

約数列:

[1, 2, 3, 4, 6, 12, 41, 82, 123, 164, 246, 492, 44087, 88174, 132261, 176348, 264522, 529044, 1807567, 3615134, 5422701, 7230268, 10845402, 21690804]

約数ペア:

[(1, 21690804), (2, 10845402), (3, 7230268), (4, 5422701), (6, 3615134), (12, 1807567), (41, 529044), (82, 264522), (123, 176348), (164, 132261), (246, 88174), (492, 44087)]