21498158

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{51431}}^1$

素因数の和:51463

約数の個数: 16

約数和(自身を含む): 37031040

約数和(自身を除く): 15532882

約数列:

[1, 2, 11, 19, 22, 38, 209, 418, 51431, 102862, 565741, 977189, 1131482, 1954378, 10749079, 21498158]

約数ペア:

[(1, 21498158), (2, 10749079), (11, 1954378), (19, 1131482), (22, 977189), (38, 565741), (209, 102862), (418, 51431)]