21521940

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{32609}}^1$

素因数の和:32632

約数の個数: 48

約数和(自身を含む): 65741760

約数和(自身を除く): 44219820

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, 32609, 65218, 97827, 130436, 163045, 195654, 326090, 358699, 391308, 489135, 652180, 717398, 978270, 1076097, 1434796, 1793495, 1956540, 2152194, 3586990, 4304388, 5380485, 7173980, 10760970, 21521940]

約数ペア:

[(1, 21521940), (2, 10760970), (3, 7173980), (4, 5380485), (5, 4304388), (6, 3586990), (10, 2152194), (11, 1956540), (12, 1793495), (15, 1434796), (20, 1076097), (22, 978270), (30, 717398), (33, 652180), (44, 489135), (55, 391308), (60, 358699), (66, 326090), (110, 195654), (132, 163045), (165, 130436), (220, 97827), (330, 65218), (660, 32609)]