21892073

素因数分解:

$7^2\times {\mathrm{17}}^1\times {\mathrm{41}}^1\times {\mathrm{641}}^1$

素因数の和:713

約数の個数: 24

約数和(自身を含む): 27665064

約数和(自身を除く): 5772991

約数列:

[1, 7, 17, 41, 49, 119, 287, 641, 697, 833, 2009, 4487, 4879, 10897, 26281, 31409, 34153, 76279, 183967, 446777, 533953, 1287769, 3127439, 21892073]

約数ペア:

[(1, 21892073), (7, 3127439), (17, 1287769), (41, 533953), (49, 446777), (119, 183967), (287, 76279), (641, 34153), (697, 31409), (833, 26281), (2009, 10897), (4487, 4879)]