21664918

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{59}}^1\times {\mathrm{16691}}^1$

素因数の和:16763

約数の個数: 16

約数和(自身を含む): 36054720

約数和(自身を除く): 14389802

約数列:

[1, 2, 11, 22, 59, 118, 649, 1298, 16691, 33382, 183601, 367202, 984769, 1969538, 10832459, 21664918]

約数ペア:

[(1, 21664918), (2, 10832459), (11, 1969538), (22, 984769), (59, 367202), (118, 183601), (649, 33382), (1298, 16691)]