21923865

素因数分解:

$3^4\times 5^1\times {\mathrm{54133}}^1$

素因数の和:54150

約数の個数: 20

約数和(自身を含む): 39301284

約数和(自身を除く): 17377419

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 405, 54133, 162399, 270665, 487197, 811995, 1461591, 2435985, 4384773, 7307955, 21923865]

約数ペア:

[(1, 21923865), (3, 7307955), (5, 4384773), (9, 2435985), (15, 1461591), (27, 811995), (45, 487197), (81, 270665), (135, 162399), (405, 54133)]