21129936

素因数分解:

$2^4\times 3^1\times {\mathrm{440207}}^1$

素因数の和:440218

約数の個数: 20

約数和(自身を含む): 54585792

約数和(自身を除く): 33455856

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 48, 440207, 880414, 1320621, 1760828, 2641242, 3521656, 5282484, 7043312, 10564968, 21129936]

約数ペア:

[(1, 21129936), (2, 10564968), (3, 7043312), (4, 5282484), (6, 3521656), (8, 2641242), (12, 1760828), (16, 1320621), (24, 880414), (48, 440207)]