21522256

素因数分解:

$2^4\times 7^1\times {\mathrm{59}}^1\times {\mathrm{3257}}^1$

素因数の和:3331

約数の個数: 40

約数和(自身を含む): 48479040

約数和(自身を除く): 26956784

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 59, 112, 118, 236, 413, 472, 826, 944, 1652, 3257, 3304, 6514, 6608, 13028, 22799, 26056, 45598, 52112, 91196, 182392, 192163, 364784, 384326, 768652, 1345141, 1537304, 2690282, 3074608, 5380564, 10761128, 21522256]

約数ペア:

[(1, 21522256), (2, 10761128), (4, 5380564), (7, 3074608), (8, 2690282), (14, 1537304), (16, 1345141), (28, 768652), (56, 384326), (59, 364784), (112, 192163), (118, 182392), (236, 91196), (413, 52112), (472, 45598), (826, 26056), (944, 22799), (1652, 13028), (3257, 6608), (3304, 6514)]