21017194

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{30817}}^1$

素因数の和:30861

約数の個数: 16

約数和(自身を含む): 35502336

約数和(自身を除く): 14485142

約数列:

[1, 2, 11, 22, 31, 62, 341, 682, 30817, 61634, 338987, 677974, 955327, 1910654, 10508597, 21017194]

約数ペア:

[(1, 21017194), (2, 10508597), (11, 1910654), (22, 955327), (31, 677974), (62, 338987), (341, 61634), (682, 30817)]