21628318

素因数分解:

$2^1\times {\mathrm{17}}^1\times {\mathrm{617}}^1\times {\mathrm{1031}}^1$

素因数の和:1667

約数の個数: 16

約数和(自身を含む): 34439904

約数和(自身を除く): 12811586

約数列:

[1, 2, 17, 34, 617, 1031, 1234, 2062, 10489, 17527, 20978, 35054, 636127, 1272254, 10814159, 21628318]

約数ペア:

[(1, 21628318), (2, 10814159), (17, 1272254), (34, 636127), (617, 35054), (1031, 20978), (1234, 17527), (2062, 10489)]