21307872

素因数分解:

$2^5\times 3^1\times {\mathrm{221957}}^1$

素因数の和:221970

約数の個数: 24

約数和(自身を含む): 55933416

約数和(自身を除く): 34625544

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 32, 48, 96, 221957, 443914, 665871, 887828, 1331742, 1775656, 2663484, 3551312, 5326968, 7102624, 10653936, 21307872]

約数ペア:

[(1, 21307872), (2, 10653936), (3, 7102624), (4, 5326968), (6, 3551312), (8, 2663484), (12, 1775656), (16, 1331742), (24, 887828), (32, 665871), (48, 443914), (96, 221957)]