21986021914

素因数分解:

$2^1\times {\mathrm{419}}^1\times {\mathrm{1231}}^1\times {\mathrm{21313}}^1$

素因数の和:22965

約数の個数: 16

約数和(自身を含む): 33086148480

約数和(自身を除く): 11100126566

約数列:

[1, 2, 419, 838, 1231, 2462, 21313, 42626, 515789, 1031578, 8930147, 17860294, 26236303, 52472606, 10993010957, 21986021914]

約数ペア:

[(1, 21986021914), (2, 10993010957), (419, 52472606), (838, 26236303), (1231, 17860294), (2462, 8930147), (21313, 1031578), (42626, 515789)]