15421872

素因数分解:

$2^4\times 3^1\times {\mathrm{321289}}^1$

素因数の和:321300

約数の個数: 20

約数和(自身を含む): 39839960

約数和(自身を除く): 24418088

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 48, 321289, 642578, 963867, 1285156, 1927734, 2570312, 3855468, 5140624, 7710936, 15421872]

約数ペア:

[(1, 15421872), (2, 7710936), (3, 5140624), (4, 3855468), (6, 2570312), (8, 1927734), (12, 1285156), (16, 963867), (24, 642578), (48, 321289)]