21878904

素因数分解:

$2^3\times 3^1\times {\mathrm{911621}}^1$

素因数の和:911630

約数の個数: 16

約数和(自身を含む): 54697320

約数和(自身を除く): 32818416

約数列:

[1, 2, 3, 4, 6, 8, 12, 24, 911621, 1823242, 2734863, 3646484, 5469726, 7292968, 10939452, 21878904]

約数ペア:

[(1, 21878904), (2, 10939452), (3, 7292968), (4, 5469726), (6, 3646484), (8, 2734863), (12, 1823242), (24, 911621)]