21128496

素因数分解:

$2^4\times 3^1\times {\mathrm{440177}}^1$

素因数の和:440188

約数の個数: 20

約数和(自身を含む): 54582072

約数和(自身を除く): 33453576

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 48, 440177, 880354, 1320531, 1760708, 2641062, 3521416, 5282124, 7042832, 10564248, 21128496]

約数ペア:

[(1, 21128496), (2, 10564248), (3, 7042832), (4, 5282124), (6, 3521416), (8, 2641062), (12, 1760708), (16, 1320531), (24, 880354), (48, 440177)]