21295742

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{89}}^1\times {\mathrm{9203}}^1$

素因数の和:9307

約数の個数: 16

約数和(自身を含む): 34791120

約数和(自身を除く): 13495378

約数列:

[1, 2, 13, 26, 89, 178, 1157, 2314, 9203, 18406, 119639, 239278, 819067, 1638134, 10647871, 21295742]

約数ペア:

[(1, 21295742), (2, 10647871), (13, 1638134), (26, 819067), (89, 239278), (178, 119639), (1157, 18406), (2314, 9203)]