21167972385

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{101}}^1\times {\mathrm{103}}^1\times {\mathrm{19379}}^1$

素因数の和:19598

約数の個数: 64

約数和(自身を含む): 39471943680

約数和(自身を除く): 18303971295

約数列:

[1, 3, 5, 7, 15, 21, 35, 101, 103, 105, 303, 309, 505, 515, 707, 721, 1515, 1545, 2121, 2163, 3535, 3605, 10403, 10605, 10815, 19379, 31209, 52015, 58137, 72821, 96895, 135653, 156045, 218463, 290685, 364105, 406959, 678265, 1092315, 1957279, 1996037, 2034795, 5871837, 5988111, 9786395, 9980185, 13700953, 13972259, 29359185, 29940555, 41102859, 41916777, 68504765, 69861295, 201599737, 205514295, 209583885, 604799211, 1007998685, 1411198159, 3023996055, 4233594477, 7055990795, 21167972385]

約数ペア:

[(1, 21167972385), (3, 7055990795), (5, 4233594477), (7, 3023996055), (15, 1411198159), (21, 1007998685), (35, 604799211), (101, 209583885), (103, 205514295), (105, 201599737), (303, 69861295), (309, 68504765), (505, 41916777), (515, 41102859), (707, 29940555), (721, 29359185), (1515, 13972259), (1545, 13700953), (2121, 9980185), (2163, 9786395), (3535, 5988111), (3605, 5871837), (10403, 2034795), (10605, 1996037), (10815, 1957279), (19379, 1092315), (31209, 678265), (52015, 406959), (58137, 364105), (72821, 290685), (96895, 218463), (135653, 156045)]