21890934

素因数分解:

$2^1\times 3^2\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{5503}}^1$

素因数の和:5541

約数の個数: 48

約数和(自身を含む): 54093312

約数和(自身を除く): 32202378

約数列:

[1, 2, 3, 6, 9, 13, 17, 18, 26, 34, 39, 51, 78, 102, 117, 153, 221, 234, 306, 442, 663, 1326, 1989, 3978, 5503, 11006, 16509, 33018, 49527, 71539, 93551, 99054, 143078, 187102, 214617, 280653, 429234, 561306, 643851, 841959, 1216163, 1287702, 1683918, 2432326, 3648489, 7296978, 10945467, 21890934]

約数ペア:

[(1, 21890934), (2, 10945467), (3, 7296978), (6, 3648489), (9, 2432326), (13, 1683918), (17, 1287702), (18, 1216163), (26, 841959), (34, 643851), (39, 561306), (51, 429234), (78, 280653), (102, 214617), (117, 187102), (153, 143078), (221, 99054), (234, 93551), (306, 71539), (442, 49527), (663, 33018), (1326, 16509), (1989, 11006), (3978, 5503)]