21523260

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{32611}}^1$

素因数の和:32634

約数の個数: 48

約数和(自身を含む): 65745792

約数和(自身を除く): 44222532

約数列:

[1, 2, 3, 4, 5, 6, 10, 11, 12, 15, 20, 22, 30, 33, 44, 55, 60, 66, 110, 132, 165, 220, 330, 660, 32611, 65222, 97833, 130444, 163055, 195666, 326110, 358721, 391332, 489165, 652220, 717442, 978330, 1076163, 1434884, 1793605, 1956660, 2152326, 3587210, 4304652, 5380815, 7174420, 10761630, 21523260]

約数ペア:

[(1, 21523260), (2, 10761630), (3, 7174420), (4, 5380815), (5, 4304652), (6, 3587210), (10, 2152326), (11, 1956660), (12, 1793605), (15, 1434884), (20, 1076163), (22, 978330), (30, 717442), (33, 652220), (44, 489165), (55, 391332), (60, 358721), (66, 326110), (110, 195666), (132, 163055), (165, 130444), (220, 97833), (330, 65222), (660, 32611)]