21079312

素因数分解:

$2^4\times {\mathrm{47}}^1\times {\mathrm{28031}}^1$

素因数の和:28086

約数の個数: 20

約数和(自身を含む): 41711616

約数和(自身を除く): 20632304

約数列:

[1, 2, 4, 8, 16, 47, 94, 188, 376, 752, 28031, 56062, 112124, 224248, 448496, 1317457, 2634914, 5269828, 10539656, 21079312]

約数ペア:

[(1, 21079312), (2, 10539656), (4, 5269828), (8, 2634914), (16, 1317457), (47, 448496), (94, 224248), (188, 112124), (376, 56062), (752, 28031)]