21228360

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{176903}}^1$

素因数の和:176917

約数の個数: 32

約数和(自身を含む): 63685440

約数和(自身を除く): 42457080

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 176903, 353806, 530709, 707612, 884515, 1061418, 1415224, 1769030, 2122836, 2653545, 3538060, 4245672, 5307090, 7076120, 10614180, 21228360]

約数ペア:

[(1, 21228360), (2, 10614180), (3, 7076120), (4, 5307090), (5, 4245672), (6, 3538060), (8, 2653545), (10, 2122836), (12, 1769030), (15, 1415224), (20, 1061418), (24, 884515), (30, 707612), (40, 530709), (60, 353806), (120, 176903)]