21952554

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{431}}^1\times {\mathrm{653}}^1$

素因数の和:1102

約数の個数: 32

約数和(自身を含む): 47464704

約数和(自身を除く): 25512150

約数列:

[1, 2, 3, 6, 13, 26, 39, 78, 431, 653, 862, 1293, 1306, 1959, 2586, 3918, 5603, 8489, 11206, 16809, 16978, 25467, 33618, 50934, 281443, 562886, 844329, 1688658, 3658759, 7317518, 10976277, 21952554]

約数ペア:

[(1, 21952554), (2, 10976277), (3, 7317518), (6, 3658759), (13, 1688658), (26, 844329), (39, 562886), (78, 281443), (431, 50934), (653, 33618), (862, 25467), (1293, 16978), (1306, 16809), (1959, 11206), (2586, 8489), (3918, 5603)]