21246882050

素因数分解:

$2^1\times 5^2\times {\mathrm{19}}^1\times {\mathrm{449}}^1\times {\mathrm{49811}}^1$

素因数の和:50291

約数の個数: 48

約数和(自身を含む): 41692644000

約数和(自身を除く): 20445761950

約数列:

[1, 2, 5, 10, 19, 25, 38, 50, 95, 190, 449, 475, 898, 950, 2245, 4490, 8531, 11225, 17062, 22450, 42655, 49811, 85310, 99622, 213275, 249055, 426550, 498110, 946409, 1245275, 1892818, 2490550, 4732045, 9464090, 22365139, 23660225, 44730278, 47320450, 111825695, 223651390, 424937641, 559128475, 849875282, 1118256950, 2124688205, 4249376410, 10623441025, 21246882050]

約数ペア:

[(1, 21246882050), (2, 10623441025), (5, 4249376410), (10, 2124688205), (19, 1118256950), (25, 849875282), (38, 559128475), (50, 424937641), (95, 223651390), (190, 111825695), (449, 47320450), (475, 44730278), (898, 23660225), (950, 22365139), (2245, 9464090), (4490, 4732045), (8531, 2490550), (11225, 1892818), (17062, 1245275), (22450, 946409), (42655, 498110), (49811, 426550), (85310, 249055), (99622, 213275)]