21214712

素因数分解:

$2^3\times {\mathrm{41}}^1\times {\mathrm{64679}}^1$

素因数の和:64726

約数の個数: 16

約数和(自身を含む): 40748400

約数和(自身を除く): 19533688

約数列:

[1, 2, 4, 8, 41, 82, 164, 328, 64679, 129358, 258716, 517432, 2651839, 5303678, 10607356, 21214712]

約数ペア:

[(1, 21214712), (2, 10607356), (4, 5303678), (8, 2651839), (41, 517432), (82, 258716), (164, 129358), (328, 64679)]