21777900

素因数分解:

$2^2\times 3^1\times 5^2\times {\mathrm{229}}^1\times {\mathrm{317}}^1$

素因数の和:563

約数の個数: 72

約数和(自身を含む): 63485520

約数和(自身を除く): 41707620

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 25, 30, 50, 60, 75, 100, 150, 229, 300, 317, 458, 634, 687, 916, 951, 1145, 1268, 1374, 1585, 1902, 2290, 2748, 3170, 3435, 3804, 4580, 4755, 5725, 6340, 6870, 7925, 9510, 11450, 13740, 15850, 17175, 19020, 22900, 23775, 31700, 34350, 47550, 68700, 72593, 95100, 145186, 217779, 290372, 362965, 435558, 725930, 871116, 1088895, 1451860, 1814825, 2177790, 3629650, 4355580, 5444475, 7259300, 10888950, 21777900]

約数ペア:

[(1, 21777900), (2, 10888950), (3, 7259300), (4, 5444475), (5, 4355580), (6, 3629650), (10, 2177790), (12, 1814825), (15, 1451860), (20, 1088895), (25, 871116), (30, 725930), (50, 435558), (60, 362965), (75, 290372), (100, 217779), (150, 145186), (229, 95100), (300, 72593), (317, 68700), (458, 47550), (634, 34350), (687, 31700), (916, 23775), (951, 22900), (1145, 19020), (1268, 17175), (1374, 15850), (1585, 13740), (1902, 11450), (2290, 9510), (2748, 7925), (3170, 6870), (3435, 6340), (3804, 5725), (4580, 4755)]