21917806

素因数分解:

$2^1\times {\mathrm{31}}^1\times {\mathrm{337}}^1\times {\mathrm{1049}}^1$

素因数の和:1419

約数の個数: 16

約数和(自身を含む): 34070400

約数和(自身を除く): 12152594

約数列:

[1, 2, 31, 62, 337, 674, 1049, 2098, 10447, 20894, 32519, 65038, 353513, 707026, 10958903, 21917806]

約数ペア:

[(1, 21917806), (2, 10958903), (31, 707026), (62, 353513), (337, 65038), (674, 32519), (1049, 20894), (2098, 10447)]