21593500

素因数分解:

$2^2\times 5^3\times {\mathrm{19}}^1\times {\mathrm{2273}}^1$

素因数の和:2311

約数の個数: 48

約数和(自身を含む): 49664160

約数和(自身を除く): 28070660

約数列:

[1, 2, 4, 5, 10, 19, 20, 25, 38, 50, 76, 95, 100, 125, 190, 250, 380, 475, 500, 950, 1900, 2273, 2375, 4546, 4750, 9092, 9500, 11365, 22730, 43187, 45460, 56825, 86374, 113650, 172748, 215935, 227300, 284125, 431870, 568250, 863740, 1079675, 1136500, 2159350, 4318700, 5398375, 10796750, 21593500]

約数ペア:

[(1, 21593500), (2, 10796750), (4, 5398375), (5, 4318700), (10, 2159350), (19, 1136500), (20, 1079675), (25, 863740), (38, 568250), (50, 431870), (76, 284125), (95, 227300), (100, 215935), (125, 172748), (190, 113650), (250, 86374), (380, 56825), (475, 45460), (500, 43187), (950, 22730), (1900, 11365), (2273, 9500), (2375, 9092), (4546, 4750)]