21147738

素因数分解:

$2^1\times 3^1\times {\mathrm{139}}^1\times {\mathrm{25357}}^1$

素因数の和:25501

約数の個数: 16

約数和(自身を含む): 42601440

約数和(自身を除く): 21453702

約数列:

[1, 2, 3, 6, 139, 278, 417, 834, 25357, 50714, 76071, 152142, 3524623, 7049246, 10573869, 21147738]

約数ペア:

[(1, 21147738), (2, 10573869), (3, 7049246), (6, 3524623), (139, 152142), (278, 76071), (417, 50714), (834, 25357)]