21964140

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{11093}}^1$

素因数の和:11119

約数の個数: 72

約数和(自身を含む): 72687888

約数和(自身を除く): 50723748

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 11, 12, 15, 18, 20, 22, 30, 33, 36, 44, 45, 55, 60, 66, 90, 99, 110, 132, 165, 180, 198, 220, 330, 396, 495, 660, 990, 1980, 11093, 22186, 33279, 44372, 55465, 66558, 99837, 110930, 122023, 133116, 166395, 199674, 221860, 244046, 332790, 366069, 399348, 488092, 499185, 610115, 665580, 732138, 998370, 1098207, 1220230, 1464276, 1830345, 1996740, 2196414, 2440460, 3660690, 4392828, 5491035, 7321380, 10982070, 21964140]

約数ペア:

[(1, 21964140), (2, 10982070), (3, 7321380), (4, 5491035), (5, 4392828), (6, 3660690), (9, 2440460), (10, 2196414), (11, 1996740), (12, 1830345), (15, 1464276), (18, 1220230), (20, 1098207), (22, 998370), (30, 732138), (33, 665580), (36, 610115), (44, 499185), (45, 488092), (55, 399348), (60, 366069), (66, 332790), (90, 244046), (99, 221860), (110, 199674), (132, 166395), (165, 133116), (180, 122023), (198, 110930), (220, 99837), (330, 66558), (396, 55465), (495, 44372), (660, 33279), (990, 22186), (1980, 11093)]