21070064

素因数分解:

$2^4\times {\mathrm{41}}^1\times {\mathrm{32119}}^1$

素因数の和:32168

約数の個数: 20

約数和(自身を含む): 41820240

約数和(自身を除く): 20750176

約数列:

[1, 2, 4, 8, 16, 41, 82, 164, 328, 656, 32119, 64238, 128476, 256952, 513904, 1316879, 2633758, 5267516, 10535032, 21070064]

約数ペア:

[(1, 21070064), (2, 10535032), (4, 5267516), (8, 2633758), (16, 1316879), (41, 513904), (82, 256952), (164, 128476), (328, 64238), (656, 32119)]