21488172

素因数分解:

$2^2\times 3^1\times {\mathrm{439}}^1\times {\mathrm{4079}}^1$

素因数の和:4525

約数の個数: 24

約数和(自身を含む): 50265600

約数和(自身を除く): 28777428

約数列:

[1, 2, 3, 4, 6, 12, 439, 878, 1317, 1756, 2634, 4079, 5268, 8158, 12237, 16316, 24474, 48948, 1790681, 3581362, 5372043, 7162724, 10744086, 21488172]

約数ペア:

[(1, 21488172), (2, 10744086), (3, 7162724), (4, 5372043), (6, 3581362), (12, 1790681), (439, 48948), (878, 24474), (1317, 16316), (1756, 12237), (2634, 8158), (4079, 5268)]