21245624

素因数分解:

$2^3\times {\mathrm{389}}^1\times {\mathrm{6827}}^1$

素因数の和:7222

約数の個数: 16

約数和(自身を含む): 39943800

約数和(自身を除く): 18698176

約数列:

[1, 2, 4, 8, 389, 778, 1556, 3112, 6827, 13654, 27308, 54616, 2655703, 5311406, 10622812, 21245624]

約数ペア:

[(1, 21245624), (2, 10622812), (4, 5311406), (8, 2655703), (389, 54616), (778, 27308), (1556, 13654), (3112, 6827)]