21270998

素因数分解:

$2^1\times 7^2\times {\mathrm{23}}^1\times {\mathrm{9437}}^1$

素因数の和:9476

約数の個数: 24

約数和(自身を含む): 38733552

約数和(自身を除く): 17462554

約数列:

[1, 2, 7, 14, 23, 46, 49, 98, 161, 322, 1127, 2254, 9437, 18874, 66059, 132118, 217051, 434102, 462413, 924826, 1519357, 3038714, 10635499, 21270998]

約数ペア:

[(1, 21270998), (2, 10635499), (7, 3038714), (14, 1519357), (23, 924826), (46, 462413), (49, 434102), (98, 217051), (161, 132118), (322, 66059), (1127, 18874), (2254, 9437)]