21663732

素因数分解:

$2^2\times 3^1\times {\mathrm{131}}^1\times {\mathrm{13781}}^1$

素因数の和:13919

約数の個数: 24

約数和(自身を含む): 50938272

約数和(自身を除く): 29274540

約数列:

[1, 2, 3, 4, 6, 12, 131, 262, 393, 524, 786, 1572, 13781, 27562, 41343, 55124, 82686, 165372, 1805311, 3610622, 5415933, 7221244, 10831866, 21663732]

約数ペア:

[(1, 21663732), (2, 10831866), (3, 7221244), (4, 5415933), (6, 3610622), (12, 1805311), (131, 165372), (262, 82686), (393, 55124), (524, 41343), (786, 27562), (1572, 13781)]