21402386

素因数分解:

$2^1\times {\mathrm{139}}^1\times {\mathrm{167}}^1\times {\mathrm{461}}^1$

素因数の和:769

約数の個数: 16

約数和(自身を含む): 32598720

約数和(自身を除く): 11196334

約数列:

[1, 2, 139, 167, 278, 334, 461, 922, 23213, 46426, 64079, 76987, 128158, 153974, 10701193, 21402386]

約数ペア:

[(1, 21402386), (2, 10701193), (139, 153974), (167, 128158), (278, 76987), (334, 64079), (461, 46426), (922, 23213)]