21116458

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{211}}^1\times {\mathrm{4549}}^1$

素因数の和:4773

約数の個数: 16

約数和(自身を含む): 34725600

約数和(自身を除く): 13609142

約数列:

[1, 2, 11, 22, 211, 422, 2321, 4549, 4642, 9098, 50039, 100078, 959839, 1919678, 10558229, 21116458]

約数ペア:

[(1, 21116458), (2, 10558229), (11, 1919678), (22, 959839), (211, 100078), (422, 50039), (2321, 9098), (4549, 4642)]