21566856

素因数分解:

$2^3\times 3^1\times {\mathrm{37}}^1\times {\mathrm{149}}^1\times {\mathrm{163}}^1$

素因数の和:358

約数の個数: 64

約数和(自身を含む): 56088000

約数和(自身を除く): 34521144

約数列:

[1, 2, 3, 4, 6, 8, 12, 24, 37, 74, 111, 148, 149, 163, 222, 296, 298, 326, 444, 447, 489, 596, 652, 888, 894, 978, 1192, 1304, 1788, 1956, 3576, 3912, 5513, 6031, 11026, 12062, 16539, 18093, 22052, 24124, 24287, 33078, 36186, 44104, 48248, 48574, 66156, 72372, 72861, 97148, 132312, 144744, 145722, 194296, 291444, 582888, 898619, 1797238, 2695857, 3594476, 5391714, 7188952, 10783428, 21566856]

約数ペア:

[(1, 21566856), (2, 10783428), (3, 7188952), (4, 5391714), (6, 3594476), (8, 2695857), (12, 1797238), (24, 898619), (37, 582888), (74, 291444), (111, 194296), (148, 145722), (149, 144744), (163, 132312), (222, 97148), (296, 72861), (298, 72372), (326, 66156), (444, 48574), (447, 48248), (489, 44104), (596, 36186), (652, 33078), (888, 24287), (894, 24124), (978, 22052), (1192, 18093), (1304, 16539), (1788, 12062), (1956, 11026), (3576, 6031), (3912, 5513)]