21892816

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{53}}^1\times {\mathrm{2347}}^1$

素因数の和:2419

約数の個数: 40

約数和(自身を含む): 47166624

約数和(自身を除く): 25273808

約数列:

[1, 2, 4, 8, 11, 16, 22, 44, 53, 88, 106, 176, 212, 424, 583, 848, 1166, 2332, 2347, 4664, 4694, 9328, 9388, 18776, 25817, 37552, 51634, 103268, 124391, 206536, 248782, 413072, 497564, 995128, 1368301, 1990256, 2736602, 5473204, 10946408, 21892816]

約数ペア:

[(1, 21892816), (2, 10946408), (4, 5473204), (8, 2736602), (11, 1990256), (16, 1368301), (22, 995128), (44, 497564), (53, 413072), (88, 248782), (106, 206536), (176, 124391), (212, 103268), (424, 51634), (583, 37552), (848, 25817), (1166, 18776), (2332, 9388), (2347, 9328), (4664, 4694)]