21666735

素因数分解:

$3^2\times 5^1\times {\mathrm{83}}^1\times {\mathrm{5801}}^1$

素因数の和:5895

約数の個数: 24

約数和(自身を含む): 38014704

約数和(自身を除く): 16347969

約数列:

[1, 3, 5, 9, 15, 45, 83, 249, 415, 747, 1245, 3735, 5801, 17403, 29005, 52209, 87015, 261045, 481483, 1444449, 2407415, 4333347, 7222245, 21666735]

約数ペア:

[(1, 21666735), (3, 7222245), (5, 4333347), (9, 2407415), (15, 1444449), (45, 481483), (83, 261045), (249, 87015), (415, 52209), (747, 29005), (1245, 17403), (3735, 5801)]