21898558

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{59}}^1\times {\mathrm{16871}}^1$

素因数の和:16943

約数の個数: 16

約数和(自身を含む): 36443520

約数和(自身を除く): 14544962

約数列:

[1, 2, 11, 22, 59, 118, 649, 1298, 16871, 33742, 185581, 371162, 995389, 1990778, 10949279, 21898558]

約数ペア:

[(1, 21898558), (2, 10949279), (11, 1990778), (22, 995389), (59, 371162), (118, 185581), (649, 33742), (1298, 16871)]