21368734

素因数分解:

$2^1\times {\mathrm{31}}^1\times {\mathrm{523}}^1\times {\mathrm{659}}^1$

素因数の和:1215

約数の個数: 16

約数和(自身を含む): 33200640

約数和(自身を除く): 11831906

約数列:

[1, 2, 31, 62, 523, 659, 1046, 1318, 16213, 20429, 32426, 40858, 344657, 689314, 10684367, 21368734]

約数ペア:

[(1, 21368734), (2, 10684367), (31, 689314), (62, 344657), (523, 40858), (659, 32426), (1046, 20429), (1318, 16213)]