21345104

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{5273}}^1$

素因数の和:5315

約数の個数: 40

約数和(自身を含む): 47086272

約数和(自身を除く): 25741168

約数列:

[1, 2, 4, 8, 11, 16, 22, 23, 44, 46, 88, 92, 176, 184, 253, 368, 506, 1012, 2024, 4048, 5273, 10546, 21092, 42184, 58003, 84368, 116006, 121279, 232012, 242558, 464024, 485116, 928048, 970232, 1334069, 1940464, 2668138, 5336276, 10672552, 21345104]

約数ペア:

[(1, 21345104), (2, 10672552), (4, 5336276), (8, 2668138), (11, 1940464), (16, 1334069), (22, 970232), (23, 928048), (44, 485116), (46, 464024), (88, 242558), (92, 232012), (176, 121279), (184, 116006), (253, 84368), (368, 58003), (506, 42184), (1012, 21092), (2024, 10546), (4048, 5273)]