21913155

素因数分解:

$3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{44269}}^1$

素因数の和:44291

約数の個数: 24

約数和(自身を含む): 41436720

約数和(自身を除く): 19523565

約数列:

[1, 3, 5, 9, 11, 15, 33, 45, 55, 99, 165, 495, 44269, 132807, 221345, 398421, 486959, 664035, 1460877, 1992105, 2434795, 4382631, 7304385, 21913155]

約数ペア:

[(1, 21913155), (3, 7304385), (5, 4382631), (9, 2434795), (11, 1992105), (15, 1460877), (33, 664035), (45, 486959), (55, 398421), (99, 221345), (165, 132807), (495, 44269)]