21153768

素因数分解:

$2^3\times 3^1\times {\mathrm{881407}}^1$

素因数の和:881416

約数の個数: 16

約数和(自身を含む): 52884480

約数和(自身を除く): 31730712

約数列:

[1, 2, 3, 4, 6, 8, 12, 24, 881407, 1762814, 2644221, 3525628, 5288442, 7051256, 10576884, 21153768]

約数ペア:

[(1, 21153768), (2, 10576884), (3, 7051256), (4, 5288442), (6, 3525628), (8, 2644221), (12, 1762814), (24, 881407)]