21462770

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{379}}^1\times {\mathrm{809}}^1$

素因数の和:1202

約数の個数: 32

約数和(自身を含む): 44323200

約数和(自身を除く): 22860430

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 379, 758, 809, 1618, 1895, 2653, 3790, 4045, 5306, 5663, 8090, 11326, 13265, 26530, 28315, 56630, 306611, 613222, 1533055, 2146277, 3066110, 4292554, 10731385, 21462770]

約数ペア:

[(1, 21462770), (2, 10731385), (5, 4292554), (7, 3066110), (10, 2146277), (14, 1533055), (35, 613222), (70, 306611), (379, 56630), (758, 28315), (809, 26530), (1618, 13265), (1895, 11326), (2653, 8090), (3790, 5663), (4045, 5306)]