21812250

素因数分解:

$2^1\times 3^1\times 5^3\times {\mathrm{127}}^1\times {\mathrm{229}}^1$

素因数の和:376

約数の個数: 64

約数和(自身を含む): 55111680

約数和(自身を除く): 33299430

約数列:

[1, 2, 3, 5, 6, 10, 15, 25, 30, 50, 75, 125, 127, 150, 229, 250, 254, 375, 381, 458, 635, 687, 750, 762, 1145, 1270, 1374, 1905, 2290, 3175, 3435, 3810, 5725, 6350, 6870, 9525, 11450, 15875, 17175, 19050, 28625, 29083, 31750, 34350, 47625, 57250, 58166, 85875, 87249, 95250, 145415, 171750, 174498, 290830, 436245, 727075, 872490, 1454150, 2181225, 3635375, 4362450, 7270750, 10906125, 21812250]

約数ペア:

[(1, 21812250), (2, 10906125), (3, 7270750), (5, 4362450), (6, 3635375), (10, 2181225), (15, 1454150), (25, 872490), (30, 727075), (50, 436245), (75, 290830), (125, 174498), (127, 171750), (150, 145415), (229, 95250), (250, 87249), (254, 85875), (375, 58166), (381, 57250), (458, 47625), (635, 34350), (687, 31750), (750, 29083), (762, 28625), (1145, 19050), (1270, 17175), (1374, 15875), (1905, 11450), (2290, 9525), (3175, 6870), (3435, 6350), (3810, 5725)]