21064688

素因数分解:

$2^4\times {\mathrm{23}}^1\times {\mathrm{57241}}^1$

素因数の和:57272

約数の個数: 20

約数和(自身を含む): 42588048

約数和(自身を除く): 21523360

約数列:

[1, 2, 4, 8, 16, 23, 46, 92, 184, 368, 57241, 114482, 228964, 457928, 915856, 1316543, 2633086, 5266172, 10532344, 21064688]

約数ペア:

[(1, 21064688), (2, 10532344), (4, 5266172), (8, 2633086), (16, 1316543), (23, 915856), (46, 457928), (92, 228964), (184, 114482), (368, 57241)]