21112592

素因数分解:

$2^4\times {\mathrm{79}}^1\times {\mathrm{16703}}^1$

素因数の和:16790

約数の個数: 20

約数和(自身を含む): 41425920

約数和(自身を除く): 20313328

約数列:

[1, 2, 4, 8, 16, 79, 158, 316, 632, 1264, 16703, 33406, 66812, 133624, 267248, 1319537, 2639074, 5278148, 10556296, 21112592]

約数ペア:

[(1, 21112592), (2, 10556296), (4, 5278148), (8, 2639074), (16, 1319537), (79, 267248), (158, 133624), (316, 66812), (632, 33406), (1264, 16703)]