21993304

素因数分解:

$2^3\times {\mathrm{53}}^1\times {\mathrm{51871}}^1$

素因数の和:51930

約数の個数: 16

約数和(自身を含む): 42016320

約数和(自身を除く): 20023016

約数列:

[1, 2, 4, 8, 53, 106, 212, 424, 51871, 103742, 207484, 414968, 2749163, 5498326, 10996652, 21993304]

約数ペア:

[(1, 21993304), (2, 10996652), (4, 5498326), (8, 2749163), (53, 414968), (106, 207484), (212, 103742), (424, 51871)]