21194607

素因数分解:

$3^1\times 7^2\times {\mathrm{31}}^1\times {\mathrm{4651}}^1$

素因数の和:4699

約数の個数: 24

約数和(自身を含む): 33940992

約数和(自身を除く): 12746385

約数列:

[1, 3, 7, 21, 31, 49, 93, 147, 217, 651, 1519, 4557, 4651, 13953, 32557, 97671, 144181, 227899, 432543, 683697, 1009267, 3027801, 7064869, 21194607]

約数ペア:

[(1, 21194607), (3, 7064869), (7, 3027801), (21, 1009267), (31, 683697), (49, 432543), (93, 227899), (147, 144181), (217, 97671), (651, 32557), (1519, 13953), (4557, 4651)]