21541838

素因数分解:

$2^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{11981}}^1$

素因数の和:12043

約数の個数: 16

約数和(自身を含む): 34508160

約数和(自身を除く): 12966322

約数列:

[1, 2, 29, 31, 58, 62, 899, 1798, 11981, 23962, 347449, 371411, 694898, 742822, 10770919, 21541838]

約数ペア:

[(1, 21541838), (2, 10770919), (29, 742822), (31, 694898), (58, 371411), (62, 347449), (899, 23962), (1798, 11981)]