21675938

素因数分解:

$2^1\times {\mathrm{103}}^1\times {\mathrm{139}}^1\times {\mathrm{757}}^1$

素因数の和:1001

約数の個数: 16

約数和(自身を含む): 33109440

約数和(自身を除く): 11433502

約数列:

[1, 2, 103, 139, 206, 278, 757, 1514, 14317, 28634, 77971, 105223, 155942, 210446, 10837969, 21675938]

約数ペア:

[(1, 21675938), (2, 10837969), (103, 210446), (139, 155942), (206, 105223), (278, 77971), (757, 28634), (1514, 14317)]