21154066

素因数分解:

$2^1\times {\mathrm{23}}^1\times {\mathrm{109}}^1\times {\mathrm{4219}}^1$

素因数の和:4353

約数の個数: 16

約数和(自身を含む): 33422400

約数和(自身を除く): 12268334

約数列:

[1, 2, 23, 46, 109, 218, 2507, 4219, 5014, 8438, 97037, 194074, 459871, 919742, 10577033, 21154066]

約数ペア:

[(1, 21154066), (2, 10577033), (23, 919742), (46, 459871), (109, 194074), (218, 97037), (2507, 8438), (4219, 5014)]