21274382

素因数分解:

$2^1\times {\mathrm{89}}^1\times {\mathrm{107}}^1\times {\mathrm{1117}}^1$

素因数の和:1315

約数の個数: 16

約数和(自身を含む): 32600880

約数和(自身を除く): 11326498

約数列:

[1, 2, 89, 107, 178, 214, 1117, 2234, 9523, 19046, 99413, 119519, 198826, 239038, 10637191, 21274382]

約数ペア:

[(1, 21274382), (2, 10637191), (89, 239038), (107, 198826), (178, 119519), (214, 99413), (1117, 19046), (2234, 9523)]