210960421

素因数分解:

$7^1\times {\mathrm{37}}^1\times {\mathrm{67}}^1\times {\mathrm{12157}}^1$

素因数の和:12268

約数の個数: 16

約数和(自身を含む): 251330176

約数和(自身を除く): 40369755

約数列:

[1, 7, 37, 67, 259, 469, 2479, 12157, 17353, 85099, 449809, 814519, 3148663, 5701633, 30137203, 210960421]

約数ペア:

[(1, 210960421), (7, 30137203), (37, 5701633), (67, 3148663), (259, 814519), (469, 449809), (2479, 85099), (12157, 17353)]