21052328

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{239231}}^1$

素因数の和:239248

約数の個数: 16

約数和(自身を含む): 43061760

約数和(自身を除く): 22009432

約数列:

[1, 2, 4, 8, 11, 22, 44, 88, 239231, 478462, 956924, 1913848, 2631541, 5263082, 10526164, 21052328]

約数ペア:

[(1, 21052328), (2, 10526164), (4, 5263082), (8, 2631541), (11, 1913848), (22, 956924), (44, 478462), (88, 239231)]