21742330

素因数分解:

$2^1\times 5^1\times {\mathrm{71}}^1\times {\mathrm{113}}^1\times {\mathrm{271}}^1$

素因数の和:462

約数の個数: 32

約数和(自身を含む): 40186368

約数和(自身を除く): 18444038

約数列:

[1, 2, 5, 10, 71, 113, 142, 226, 271, 355, 542, 565, 710, 1130, 1355, 2710, 8023, 16046, 19241, 30623, 38482, 40115, 61246, 80230, 96205, 153115, 192410, 306230, 2174233, 4348466, 10871165, 21742330]

約数ペア:

[(1, 21742330), (2, 10871165), (5, 4348466), (10, 2174233), (71, 306230), (113, 192410), (142, 153115), (226, 96205), (271, 80230), (355, 61246), (542, 40115), (565, 38482), (710, 30623), (1130, 19241), (1355, 16046), (2710, 8023)]