21629965

素因数分解:

$5^1\times 7^1\times {\mathrm{409}}^1\times {\mathrm{1511}}^1$

素因数の和:1932

約数の個数: 16

約数和(自身を含む): 29756160

約数和(自身を除く): 8126195

約数列:

[1, 5, 7, 35, 409, 1511, 2045, 2863, 7555, 10577, 14315, 52885, 617999, 3089995, 4325993, 21629965]

約数ペア:

[(1, 21629965), (5, 4325993), (7, 3089995), (35, 617999), (409, 52885), (1511, 14315), (2045, 10577), (2863, 7555)]