21269264

素因数分解:

$2^4\times {\mathrm{59}}^1\times {\mathrm{22531}}^1$

素因数の和:22598

約数の個数: 20

約数和(自身を含む): 41909520

約数和(自身を除く): 20640256

約数列:

[1, 2, 4, 8, 16, 59, 118, 236, 472, 944, 22531, 45062, 90124, 180248, 360496, 1329329, 2658658, 5317316, 10634632, 21269264]

約数ペア:

[(1, 21269264), (2, 10634632), (4, 5317316), (8, 2658658), (16, 1329329), (59, 360496), (118, 180248), (236, 90124), (472, 45062), (944, 22531)]