21896770

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{103}}^1\times {\mathrm{3037}}^1$

素因数の和:3154

約数の個数: 32

約数和(自身を含む): 45497088

約数和(自身を除く): 23600318

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 103, 206, 515, 721, 1030, 1442, 3037, 3605, 6074, 7210, 15185, 21259, 30370, 42518, 106295, 212590, 312811, 625622, 1564055, 2189677, 3128110, 4379354, 10948385, 21896770]

約数ペア:

[(1, 21896770), (2, 10948385), (5, 4379354), (7, 3128110), (10, 2189677), (14, 1564055), (35, 625622), (70, 312811), (103, 212590), (206, 106295), (515, 42518), (721, 30370), (1030, 21259), (1442, 15185), (3037, 7210), (3605, 6074)]