21563742

素因数分解:

$2^1\times 3^1\times {\mathrm{23}}^1\times {\mathrm{156259}}^1$

素因数の和:156287

約数の個数: 16

約数和(自身を含む): 45002880

約数和(自身を除く): 23439138

約数列:

[1, 2, 3, 6, 23, 46, 69, 138, 156259, 312518, 468777, 937554, 3593957, 7187914, 10781871, 21563742]

約数ペア:

[(1, 21563742), (2, 10781871), (3, 7187914), (6, 3593957), (23, 937554), (46, 468777), (69, 312518), (138, 156259)]