21847312

素因数分解:

$2^4\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{2591}}^1$

素因数の和:2647

約数の個数: 40

約数和(自身を含む): 46282752

約数和(自身を除く): 24435440

約数列:

[1, 2, 4, 8, 16, 17, 31, 34, 62, 68, 124, 136, 248, 272, 496, 527, 1054, 2108, 2591, 4216, 5182, 8432, 10364, 20728, 41456, 44047, 80321, 88094, 160642, 176188, 321284, 352376, 642568, 704752, 1285136, 1365457, 2730914, 5461828, 10923656, 21847312]

約数ペア:

[(1, 21847312), (2, 10923656), (4, 5461828), (8, 2730914), (16, 1365457), (17, 1285136), (31, 704752), (34, 642568), (62, 352376), (68, 321284), (124, 176188), (136, 160642), (248, 88094), (272, 80321), (496, 44047), (527, 41456), (1054, 20728), (2108, 10364), (2591, 8432), (4216, 5182)]