21613713

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{179}}^1\times {\mathrm{3659}}^1$

素因数の和:3852

約数の個数: 16

約数和(自身を含む): 31622400

約数和(自身を除く): 10008687

約数列:

[1, 3, 11, 33, 179, 537, 1969, 3659, 5907, 10977, 40249, 120747, 654961, 1964883, 7204571, 21613713]

約数ペア:

[(1, 21613713), (3, 7204571), (11, 1964883), (33, 654961), (179, 120747), (537, 40249), (1969, 10977), (3659, 5907)]