21000343380

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{317}}^1\times {\mathrm{1104119}}^1$

素因数の和:1104448

約数の個数: 48

約数和(自身を含む): 58986506880

約数和(自身を除く): 37986163500

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 317, 634, 951, 1268, 1585, 1902, 3170, 3804, 4755, 6340, 9510, 19020, 1104119, 2208238, 3312357, 4416476, 5520595, 6624714, 11041190, 13249428, 16561785, 22082380, 33123570, 66247140, 350005723, 700011446, 1050017169, 1400022892, 1750028615, 2100034338, 3500057230, 4200068676, 5250085845, 7000114460, 10500171690, 21000343380]

約数ペア:

[(1, 21000343380), (2, 10500171690), (3, 7000114460), (4, 5250085845), (5, 4200068676), (6, 3500057230), (10, 2100034338), (12, 1750028615), (15, 1400022892), (20, 1050017169), (30, 700011446), (60, 350005723), (317, 66247140), (634, 33123570), (951, 22082380), (1268, 16561785), (1585, 13249428), (1902, 11041190), (3170, 6624714), (3804, 5520595), (4755, 4416476), (6340, 3312357), (9510, 2208238), (19020, 1104119)]