21228210

素因数分解:

$2^1\times 3^3\times 5^1\times {\mathrm{78623}}^1$

素因数の和:78639

約数の個数: 32

約数和(自身を含む): 56609280

約数和(自身を除く): 35381070

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 27, 30, 45, 54, 90, 135, 270, 78623, 157246, 235869, 393115, 471738, 707607, 786230, 1179345, 1415214, 2122821, 2358690, 3538035, 4245642, 7076070, 10614105, 21228210]

約数ペア:

[(1, 21228210), (2, 10614105), (3, 7076070), (5, 4245642), (6, 3538035), (9, 2358690), (10, 2122821), (15, 1415214), (18, 1179345), (27, 786230), (30, 707607), (45, 471738), (54, 393115), (90, 235869), (135, 157246), (270, 78623)]