21737264

素因数分解:

$2^4\times {\mathrm{107}}^1\times {\mathrm{12697}}^1$

素因数の和:12812

約数の個数: 20

約数和(自身を含む): 42512904

約数和(自身を除く): 20775640

約数列:

[1, 2, 4, 8, 16, 107, 214, 428, 856, 1712, 12697, 25394, 50788, 101576, 203152, 1358579, 2717158, 5434316, 10868632, 21737264]

約数ペア:

[(1, 21737264), (2, 10868632), (4, 5434316), (8, 2717158), (16, 1358579), (107, 203152), (214, 101576), (428, 50788), (856, 25394), (1712, 12697)]