21713643

素因数分解:

$3^3\times 7^1\times {\mathrm{131}}^1\times {\mathrm{877}}^1$

素因数の和:1024

約数の個数: 32

約数和(自身を含む): 37086720

約数和(自身を除く): 15373077

約数列:

[1, 3, 7, 9, 21, 27, 63, 131, 189, 393, 877, 917, 1179, 2631, 2751, 3537, 6139, 7893, 8253, 18417, 23679, 24759, 55251, 114887, 165753, 344661, 804209, 1033983, 2412627, 3101949, 7237881, 21713643]

約数ペア:

[(1, 21713643), (3, 7237881), (7, 3101949), (9, 2412627), (21, 1033983), (27, 804209), (63, 344661), (131, 165753), (189, 114887), (393, 55251), (877, 24759), (917, 23679), (1179, 18417), (2631, 8253), (2751, 7893), (3537, 6139)]