21995100

素因数分解:

$2^2\times 3^2\times 5^2\times {\mathrm{24439}}^1$

素因数の和:24459

約数の個数: 54

約数和(自身を含む): 68945240

約数和(自身を除く): 46950140

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 25, 30, 36, 45, 50, 60, 75, 90, 100, 150, 180, 225, 300, 450, 900, 24439, 48878, 73317, 97756, 122195, 146634, 219951, 244390, 293268, 366585, 439902, 488780, 610975, 733170, 879804, 1099755, 1221950, 1466340, 1832925, 2199510, 2443900, 3665850, 4399020, 5498775, 7331700, 10997550, 21995100]

約数ペア:

[(1, 21995100), (2, 10997550), (3, 7331700), (4, 5498775), (5, 4399020), (6, 3665850), (9, 2443900), (10, 2199510), (12, 1832925), (15, 1466340), (18, 1221950), (20, 1099755), (25, 879804), (30, 733170), (36, 610975), (45, 488780), (50, 439902), (60, 366585), (75, 293268), (90, 244390), (100, 219951), (150, 146634), (180, 122195), (225, 97756), (300, 73317), (450, 48878), (900, 24439)]