21169629

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{89}}^1\times {\mathrm{107}}^1$

素因数の和:234

約数の個数: 48

約数和(自身を含む): 35380800

約数和(自身を除く): 14211171

約数列:

[1, 3, 9, 13, 19, 39, 57, 89, 107, 117, 171, 247, 267, 321, 741, 801, 963, 1157, 1391, 1691, 2033, 2223, 3471, 4173, 5073, 6099, 9523, 10413, 12519, 15219, 18297, 21983, 26429, 28569, 65949, 79287, 85707, 123799, 180937, 197847, 237861, 371397, 542811, 1114191, 1628433, 2352181, 7056543, 21169629]

約数ペア:

[(1, 21169629), (3, 7056543), (9, 2352181), (13, 1628433), (19, 1114191), (39, 542811), (57, 371397), (89, 237861), (107, 197847), (117, 180937), (171, 123799), (247, 85707), (267, 79287), (321, 65949), (741, 28569), (801, 26429), (963, 21983), (1157, 18297), (1391, 15219), (1691, 12519), (2033, 10413), (2223, 9523), (3471, 6099), (4173, 5073)]