21530230

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{2411}}^1$

素因数の和:2484

約数の個数: 32

約数和(自身を含む): 41679360

約数和(自身を除く): 20149130

約数列:

[1, 2, 5, 10, 19, 38, 47, 94, 95, 190, 235, 470, 893, 1786, 2411, 4465, 4822, 8930, 12055, 24110, 45809, 91618, 113317, 226634, 229045, 458090, 566585, 1133170, 2153023, 4306046, 10765115, 21530230]

約数ペア:

[(1, 21530230), (2, 10765115), (5, 4306046), (10, 2153023), (19, 1133170), (38, 566585), (47, 458090), (94, 229045), (95, 226634), (190, 113317), (235, 91618), (470, 45809), (893, 24110), (1786, 12055), (2411, 8930), (4465, 4822)]