21556654

素因数分解:

$2^1\times 7^1\times {\mathrm{311}}^1\times {\mathrm{4951}}^1$

素因数の和:5271

約数の個数: 16

約数和(自身を含む): 37080576

約数和(自身を除く): 15523922

約数列:

[1, 2, 7, 14, 311, 622, 2177, 4354, 4951, 9902, 34657, 69314, 1539761, 3079522, 10778327, 21556654]

約数ペア:

[(1, 21556654), (2, 10778327), (7, 3079522), (14, 1539761), (311, 69314), (622, 34657), (2177, 9902), (4354, 4951)]