21877030

素因数分解:

$2^1\times 5^1\times 7^2\times {\mathrm{44647}}^1$

素因数の和:44668

約数の個数: 24

約数和(自身を含む): 45808848

約数和(自身を除く): 23931818

約数列:

[1, 2, 5, 7, 10, 14, 35, 49, 70, 98, 245, 490, 44647, 89294, 223235, 312529, 446470, 625058, 1562645, 2187703, 3125290, 4375406, 10938515, 21877030]

約数ペア:

[(1, 21877030), (2, 10938515), (5, 4375406), (7, 3125290), (10, 2187703), (14, 1562645), (35, 625058), (49, 446470), (70, 312529), (98, 223235), (245, 89294), (490, 44647)]