21897258

素因数分解:

$2^1\times 3^1\times {\mathrm{17}}^1\times {\mathrm{137}}^1\times {\mathrm{1567}}^1$

素因数の和:1726

約数の個数: 32

約数和(自身を含む): 46738944

約数和(自身を除く): 24841686

約数列:

[1, 2, 3, 6, 17, 34, 51, 102, 137, 274, 411, 822, 1567, 2329, 3134, 4658, 4701, 6987, 9402, 13974, 26639, 53278, 79917, 159834, 214679, 429358, 644037, 1288074, 3649543, 7299086, 10948629, 21897258]

約数ペア:

[(1, 21897258), (2, 10948629), (3, 7299086), (6, 3649543), (17, 1288074), (34, 644037), (51, 429358), (102, 214679), (137, 159834), (274, 79917), (411, 53278), (822, 26639), (1567, 13974), (2329, 9402), (3134, 6987), (4658, 4701)]