21615231

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{271}}^1\times {\mathrm{2417}}^1$

素因数の和:2702

約数の個数: 16

約数和(自身を含む): 31569408

約数和(自身を除く): 9954177

約数列:

[1, 3, 11, 33, 271, 813, 2417, 2981, 7251, 8943, 26587, 79761, 655007, 1965021, 7205077, 21615231]

約数ペア:

[(1, 21615231), (3, 7205077), (11, 1965021), (33, 655007), (271, 79761), (813, 26587), (2417, 8943), (2981, 7251)]