21696719

素因数分解:

${\mathrm{11}}^1\times {\mathrm{59}}^1\times {\mathrm{101}}^1\times {\mathrm{331}}^1$

素因数の和:502

約数の個数: 16

約数和(自身を含む): 24382080

約数和(自身を除く): 2685361

約数列:

[1, 11, 59, 101, 331, 649, 1111, 3641, 5959, 19529, 33431, 65549, 214819, 367741, 1972429, 21696719]

約数ペア:

[(1, 21696719), (11, 1972429), (59, 367741), (101, 214819), (331, 65549), (649, 33431), (1111, 19529), (3641, 5959)]