21298762

素因数分解:

$2^1\times {\mathrm{41}}^1\times {\mathrm{211}}^1\times {\mathrm{1231}}^1$

素因数の和:1485

約数の個数: 16

約数和(自身を含む): 32909184

約数和(自身を除く): 11610422

約数列:

[1, 2, 41, 82, 211, 422, 1231, 2462, 8651, 17302, 50471, 100942, 259741, 519482, 10649381, 21298762]

約数ペア:

[(1, 21298762), (2, 10649381), (41, 519482), (82, 259741), (211, 100942), (422, 50471), (1231, 17302), (2462, 8651)]