21264399

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{10691}}^1$

素因数の和:10727

約数の個数: 24

約数和(自身を含む): 35026992

約数和(自身を除く): 13762593

約数列:

[1, 3, 9, 13, 17, 39, 51, 117, 153, 221, 663, 1989, 10691, 32073, 96219, 138983, 181747, 416949, 545241, 1250847, 1635723, 2362711, 7088133, 21264399]

約数ペア:

[(1, 21264399), (3, 7088133), (9, 2362711), (13, 1635723), (17, 1250847), (39, 545241), (51, 416949), (117, 181747), (153, 138983), (221, 96219), (663, 32073), (1989, 10691)]