21516924

素因数分解:

$2^2\times 3^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{12539}}^1$

素因数の和:12570

約数の個数: 48

約数和(自身を含む): 58988160

約数和(自身を除く): 37471236

約数列:

[1, 2, 3, 4, 6, 11, 12, 13, 22, 26, 33, 39, 44, 52, 66, 78, 132, 143, 156, 286, 429, 572, 858, 1716, 12539, 25078, 37617, 50156, 75234, 137929, 150468, 163007, 275858, 326014, 413787, 489021, 551716, 652028, 827574, 978042, 1655148, 1793077, 1956084, 3586154, 5379231, 7172308, 10758462, 21516924]

約数ペア:

[(1, 21516924), (2, 10758462), (3, 7172308), (4, 5379231), (6, 3586154), (11, 1956084), (12, 1793077), (13, 1655148), (22, 978042), (26, 827574), (33, 652028), (39, 551716), (44, 489021), (52, 413787), (66, 326014), (78, 275858), (132, 163007), (143, 150468), (156, 137929), (286, 75234), (429, 50156), (572, 37617), (858, 25078), (1716, 12539)]