21802354

素因数分解:

$2^1\times 7^2\times {\mathrm{379}}^1\times {\mathrm{587}}^1$

素因数の和:982

約数の個数: 24

約数和(自身を含む): 38208240

約数和(自身を除く): 16405886

約数列:

[1, 2, 7, 14, 49, 98, 379, 587, 758, 1174, 2653, 4109, 5306, 8218, 18571, 28763, 37142, 57526, 222473, 444946, 1557311, 3114622, 10901177, 21802354]

約数ペア:

[(1, 21802354), (2, 10901177), (7, 3114622), (14, 1557311), (49, 444946), (98, 222473), (379, 57526), (587, 37142), (758, 28763), (1174, 18571), (2653, 8218), (4109, 5306)]