21306524

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{7577}}^1$

素因数の和:7637

約数の個数: 24

約数和(自身を含む): 40314960

約数和(自身を除く): 19008436

約数列:

[1, 2, 4, 19, 37, 38, 74, 76, 148, 703, 1406, 2812, 7577, 15154, 30308, 143963, 280349, 287926, 560698, 575852, 1121396, 5326631, 10653262, 21306524]

約数ペア:

[(1, 21306524), (2, 10653262), (4, 5326631), (19, 1121396), (37, 575852), (38, 560698), (74, 287926), (76, 280349), (148, 143963), (703, 30308), (1406, 15154), (2812, 7577)]