21481065

素因数分解:

$3^3\times 5^1\times {\mathrm{159119}}^1$

素因数の和:159133

約数の個数: 16

約数和(自身を含む): 38188800

約数和(自身を除く): 16707735

約数列:

[1, 3, 5, 9, 15, 27, 45, 135, 159119, 477357, 795595, 1432071, 2386785, 4296213, 7160355, 21481065]

約数ペア:

[(1, 21481065), (3, 7160355), (5, 4296213), (9, 2386785), (15, 1432071), (27, 795595), (45, 477357), (135, 159119)]