21382298

素因数分解:

$2^1\times 7^1\times {\mathrm{79}}^1\times {\mathrm{19333}}^1$

素因数の和:19421

約数の個数: 16

約数和(自身を含む): 37121280

約数和(自身を除く): 15738982

約数列:

[1, 2, 7, 14, 79, 158, 553, 1106, 19333, 38666, 135331, 270662, 1527307, 3054614, 10691149, 21382298]

約数ペア:

[(1, 21382298), (2, 10691149), (7, 3054614), (14, 1527307), (79, 270662), (158, 135331), (553, 38666), (1106, 19333)]