21062209250

素因数分解:

$2^1\times 5^3\times {\mathrm{7333}}^1\times {\mathrm{11489}}^1$

素因数の和:18839

約数の個数: 32

約数和(自身を含む): 39437264880

約数和(自身を除く): 18375055630

約数列:

[1, 2, 5, 10, 25, 50, 125, 250, 7333, 11489, 14666, 22978, 36665, 57445, 73330, 114890, 183325, 287225, 366650, 574450, 916625, 1436125, 1833250, 2872250, 84248837, 168497674, 421244185, 842488370, 2106220925, 4212441850, 10531104625, 21062209250]

約数ペア:

[(1, 21062209250), (2, 10531104625), (5, 4212441850), (10, 2106220925), (25, 842488370), (50, 421244185), (125, 168497674), (250, 84248837), (7333, 2872250), (11489, 1833250), (14666, 1436125), (22978, 916625), (36665, 574450), (57445, 366650), (73330, 287225), (114890, 183325)]