21249210

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{359}}^1\times {\mathrm{1973}}^1$

素因数の和:2342

約数の個数: 32

約数和(自身を含む): 51166080

約数和(自身を除く): 29916870

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 359, 718, 1077, 1795, 1973, 2154, 3590, 3946, 5385, 5919, 9865, 10770, 11838, 19730, 29595, 59190, 708307, 1416614, 2124921, 3541535, 4249842, 7083070, 10624605, 21249210]

約数ペア:

[(1, 21249210), (2, 10624605), (3, 7083070), (5, 4249842), (6, 3541535), (10, 2124921), (15, 1416614), (30, 708307), (359, 59190), (718, 29595), (1077, 19730), (1795, 11838), (1973, 10770), (2154, 9865), (3590, 5919), (3946, 5385)]