21682012

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{571}}^1\times {\mathrm{863}}^1$

素因数の和:1449

約数の個数: 24

約数和(自身を含む): 41513472

約数和(自身を除く): 19831460

約数列:

[1, 2, 4, 11, 22, 44, 571, 863, 1142, 1726, 2284, 3452, 6281, 9493, 12562, 18986, 25124, 37972, 492773, 985546, 1971092, 5420503, 10841006, 21682012]

約数ペア:

[(1, 21682012), (2, 10841006), (4, 5420503), (11, 1971092), (22, 985546), (44, 492773), (571, 37972), (863, 25124), (1142, 18986), (1726, 12562), (2284, 9493), (3452, 6281)]