21229906

素因数分解:

$2^1\times {\mathrm{17}}^1\times {\mathrm{83}}^1\times {\mathrm{7523}}^1$

素因数の和:7625

約数の個数: 16

約数和(自身を含む): 34128864

約数和(自身を除く): 12898958

約数列:

[1, 2, 17, 34, 83, 166, 1411, 2822, 7523, 15046, 127891, 255782, 624409, 1248818, 10614953, 21229906]

約数ペア:

[(1, 21229906), (2, 10614953), (17, 1248818), (34, 624409), (83, 255782), (166, 127891), (1411, 15046), (2822, 7523)]