21619210

素因数分解:

$2^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{127}}^1\times {\mathrm{587}}^1$

素因数の和:750

約数の個数: 32

約数和(自身を含む): 40642560

約数和(自身を除く): 19023350

約数列:

[1, 2, 5, 10, 29, 58, 127, 145, 254, 290, 587, 635, 1174, 1270, 2935, 3683, 5870, 7366, 17023, 18415, 34046, 36830, 74549, 85115, 149098, 170230, 372745, 745490, 2161921, 4323842, 10809605, 21619210]

約数ペア:

[(1, 21619210), (2, 10809605), (5, 4323842), (10, 2161921), (29, 745490), (58, 372745), (127, 170230), (145, 149098), (254, 85115), (290, 74549), (587, 36830), (635, 34046), (1174, 18415), (1270, 17023), (2935, 7366), (3683, 5870)]