21275402

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{677}}^1\times {\mathrm{827}}^1$

素因数の和:1525

約数の個数: 16

約数和(自身を含む): 33683040

約数和(自身を除く): 12407638

約数列:

[1, 2, 19, 38, 677, 827, 1354, 1654, 12863, 15713, 25726, 31426, 559879, 1119758, 10637701, 21275402]

約数ペア:

[(1, 21275402), (2, 10637701), (19, 1119758), (38, 559879), (677, 31426), (827, 25726), (1354, 15713), (1654, 12863)]