21563310

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{42281}}^1$

素因数の和:42308

約数の個数: 32

約数和(自身を含む): 54797472

約数和(自身を除く): 33234162

約数列:

[1, 2, 3, 5, 6, 10, 15, 17, 30, 34, 51, 85, 102, 170, 255, 510, 42281, 84562, 126843, 211405, 253686, 422810, 634215, 718777, 1268430, 1437554, 2156331, 3593885, 4312662, 7187770, 10781655, 21563310]

約数ペア:

[(1, 21563310), (2, 10781655), (3, 7187770), (5, 4312662), (6, 3593885), (10, 2156331), (15, 1437554), (17, 1268430), (30, 718777), (34, 634215), (51, 422810), (85, 253686), (102, 211405), (170, 126843), (255, 84562), (510, 42281)]