21520344

素因数分解:

$2^3\times 3^1\times {\mathrm{896681}}^1$

素因数の和:896690

約数の個数: 16

約数和(自身を含む): 53800920

約数和(自身を除く): 32280576

約数列:

[1, 2, 3, 4, 6, 8, 12, 24, 896681, 1793362, 2690043, 3586724, 5380086, 7173448, 10760172, 21520344]

約数ペア:

[(1, 21520344), (2, 10760172), (3, 7173448), (4, 5380086), (6, 3586724), (8, 2690043), (12, 1793362), (24, 896681)]