21639624

素因数分解:

$2^3\times 3^1\times {\mathrm{157}}^1\times {\mathrm{5743}}^1$

素因数の和:5909

約数の個数: 32

約数和(自身を含む): 54453120

約数和(自身を除く): 32813496

約数列:

[1, 2, 3, 4, 6, 8, 12, 24, 157, 314, 471, 628, 942, 1256, 1884, 3768, 5743, 11486, 17229, 22972, 34458, 45944, 68916, 137832, 901651, 1803302, 2704953, 3606604, 5409906, 7213208, 10819812, 21639624]

約数ペア:

[(1, 21639624), (2, 10819812), (3, 7213208), (4, 5409906), (6, 3606604), (8, 2704953), (12, 1803302), (24, 901651), (157, 137832), (314, 68916), (471, 45944), (628, 34458), (942, 22972), (1256, 17229), (1884, 11486), (3768, 5743)]