21456688

素因数分解:

$2^4\times {\mathrm{11}}^2\times {\mathrm{11083}}^1$

素因数の和:11113

約数の個数: 30

約数和(自身を含む): 45699332

約数和(自身を除く): 24242644

約数列:

[1, 2, 4, 8, 11, 16, 22, 44, 88, 121, 176, 242, 484, 968, 1936, 11083, 22166, 44332, 88664, 121913, 177328, 243826, 487652, 975304, 1341043, 1950608, 2682086, 5364172, 10728344, 21456688]

約数ペア:

[(1, 21456688), (2, 10728344), (4, 5364172), (8, 2682086), (11, 1950608), (16, 1341043), (22, 975304), (44, 487652), (88, 243826), (121, 177328), (176, 121913), (242, 88664), (484, 44332), (968, 22166), (1936, 11083)]