21625142

素因数分解:

$2^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{140423}}^1$

素因数の和:140443

約数の個数: 16

約数和(自身を含む): 40442112

約数和(自身を除く): 18816970

約数列:

[1, 2, 7, 11, 14, 22, 77, 154, 140423, 280846, 982961, 1544653, 1965922, 3089306, 10812571, 21625142]

約数ペア:

[(1, 21625142), (2, 10812571), (7, 3089306), (11, 1965922), (14, 1544653), (22, 982961), (77, 280846), (154, 140423)]