21498465

素因数分解:

$3^1\times 5^1\times {\mathrm{149}}^1\times {\mathrm{9619}}^1$

素因数の和:9776

約数の個数: 16

約数和(自身を含む): 34632000

約数和(自身を除く): 13133535

約数列:

[1, 3, 5, 15, 149, 447, 745, 2235, 9619, 28857, 48095, 144285, 1433231, 4299693, 7166155, 21498465]

約数ペア:

[(1, 21498465), (3, 7166155), (5, 4299693), (15, 1433231), (149, 144285), (447, 48095), (745, 28857), (2235, 9619)]