21456971535

素因数分解:

$3^1\times 5^1\times {\mathrm{46639}}^1\times {\mathrm{30671}}^1$

素因数の和:77318

約数の個数: 16

約数和(自身を含む): 34333009920

約数和(自身を除く): 12876038385

約数列:

[1, 3, 5, 15, 30671, 46639, 92013, 139917, 153355, 233195, 460065, 699585, 1430464769, 4291394307, 7152323845, 21456971535]

約数ペア:

[(1, 21456971535), (3, 7152323845), (5, 4291394307), (15, 1430464769), (30671, 699585), (46639, 460065), (92013, 233195), (139917, 153355)]