21454288

素因数分解:

$2^4\times {\mathrm{59}}^1\times {\mathrm{22727}}^1$

素因数の和:22794

約数の個数: 20

約数和(自身を含む): 42274080

約数和(自身を除く): 20819792

約数列:

[1, 2, 4, 8, 16, 59, 118, 236, 472, 944, 22727, 45454, 90908, 181816, 363632, 1340893, 2681786, 5363572, 10727144, 21454288]

約数ペア:

[(1, 21454288), (2, 10727144), (4, 5363572), (8, 2681786), (16, 1340893), (59, 363632), (118, 181816), (236, 90908), (472, 45454), (944, 22727)]