21446265

素因数分解:

$3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{2713}}^1$

素因数の和:2769

約数の個数: 32

約数和(自身を含む): 37518336

約数和(自身を除く): 16072071

約数列:

[1, 3, 5, 15, 17, 31, 51, 85, 93, 155, 255, 465, 527, 1581, 2635, 2713, 7905, 8139, 13565, 40695, 46121, 84103, 138363, 230605, 252309, 420515, 691815, 1261545, 1429751, 4289253, 7148755, 21446265]

約数ペア:

[(1, 21446265), (3, 7148755), (5, 4289253), (15, 1429751), (17, 1261545), (31, 691815), (51, 420515), (85, 252309), (93, 230605), (155, 138363), (255, 84103), (465, 46121), (527, 40695), (1581, 13565), (2635, 8139), (2713, 7905)]