21294178

素因数分解:

$2^1\times {\mathrm{29}}^1\times {\mathrm{71}}^1\times {\mathrm{5171}}^1$

素因数の和:5273

約数の個数: 16

約数和(自身を含む): 33514560

約数和(自身を除く): 12220382

約数列:

[1, 2, 29, 58, 71, 142, 2059, 4118, 5171, 10342, 149959, 299918, 367141, 734282, 10647089, 21294178]

約数ペア:

[(1, 21294178), (2, 10647089), (29, 734282), (58, 367141), (71, 299918), (142, 149959), (2059, 10342), (4118, 5171)]