21619430

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{308849}}^1$

素因数の和:308863

約数の個数: 16

約数和(自身を含む): 44474400

約数和(自身を除く): 22854970

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 308849, 617698, 1544245, 2161943, 3088490, 4323886, 10809715, 21619430]

約数ペア:

[(1, 21619430), (2, 10809715), (5, 4323886), (7, 3088490), (10, 2161943), (14, 1544245), (35, 617698), (70, 308849)]