21167741938

素因数分解:

$2^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{65738329}}^1$

素因数の和:65738361

約数の個数: 16

約数和(自身を含む): 37865278080

約数和(自身を除く): 16697536142

約数列:

[1, 2, 7, 14, 23, 46, 161, 322, 65738329, 131476658, 460168303, 920336606, 1511981567, 3023963134, 10583870969, 21167741938]

約数ペア:

[(1, 21167741938), (2, 10583870969), (7, 3023963134), (14, 1511981567), (23, 920336606), (46, 460168303), (161, 131476658), (322, 65738329)]