21520290

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{65213}}^1$

素因数の和:65234

約数の個数: 32

約数和(自身を含む): 56344896

約数和(自身を除く): 34824606

約数列:

[1, 2, 3, 5, 6, 10, 11, 15, 22, 30, 33, 55, 66, 110, 165, 330, 65213, 130426, 195639, 326065, 391278, 652130, 717343, 978195, 1434686, 1956390, 2152029, 3586715, 4304058, 7173430, 10760145, 21520290]

約数ペア:

[(1, 21520290), (2, 10760145), (3, 7173430), (5, 4304058), (6, 3586715), (10, 2152029), (11, 1956390), (15, 1434686), (22, 978195), (30, 717343), (33, 652130), (55, 391278), (66, 326065), (110, 195639), (165, 130426), (330, 65213)]