21462512

素因数分解:

$2^4\times {\mathrm{67}}^1\times {\mathrm{20021}}^1$

素因数の和:20096

約数の個数: 20

約数和(自身を含む): 42206376

約数和(自身を除く): 20743864

約数列:

[1, 2, 4, 8, 16, 67, 134, 268, 536, 1072, 20021, 40042, 80084, 160168, 320336, 1341407, 2682814, 5365628, 10731256, 21462512]

約数ペア:

[(1, 21462512), (2, 10731256), (4, 5365628), (8, 2682814), (16, 1341407), (67, 320336), (134, 160168), (268, 80084), (536, 40042), (1072, 20021)]