21202300

素因数分解:

$2^2\times 5^2\times 7^2\times {\mathrm{4327}}^1$

素因数の和:4355

約数の個数: 54

約数和(自身を含む): 53533032

約数和(自身を除く): 32330732

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 25, 28, 35, 49, 50, 70, 98, 100, 140, 175, 196, 245, 350, 490, 700, 980, 1225, 2450, 4327, 4900, 8654, 17308, 21635, 30289, 43270, 60578, 86540, 108175, 121156, 151445, 212023, 216350, 302890, 424046, 432700, 605780, 757225, 848092, 1060115, 1514450, 2120230, 3028900, 4240460, 5300575, 10601150, 21202300]

約数ペア:

[(1, 21202300), (2, 10601150), (4, 5300575), (5, 4240460), (7, 3028900), (10, 2120230), (14, 1514450), (20, 1060115), (25, 848092), (28, 757225), (35, 605780), (49, 432700), (50, 424046), (70, 302890), (98, 216350), (100, 212023), (140, 151445), (175, 121156), (196, 108175), (245, 86540), (350, 60578), (490, 43270), (700, 30289), (980, 21635), (1225, 17308), (2450, 8654), (4327, 4900)]