21834860

素因数分解:

$2^2\times 5^1\times {\mathrm{967}}^1\times {\mathrm{1129}}^1$

素因数の和:2105

約数の個数: 24

約数和(自身を含む): 45941280

約数和(自身を除く): 24106420

約数列:

[1, 2, 4, 5, 10, 20, 967, 1129, 1934, 2258, 3868, 4516, 4835, 5645, 9670, 11290, 19340, 22580, 1091743, 2183486, 4366972, 5458715, 10917430, 21834860]

約数ペア:

[(1, 21834860), (2, 10917430), (4, 5458715), (5, 4366972), (10, 2183486), (20, 1091743), (967, 22580), (1129, 19340), (1934, 11290), (2258, 9670), (3868, 5645), (4516, 4835)]