21746560

素因数分解:

$2^7\times 5^1\times {\mathrm{11}}^1\times {\mathrm{3089}}^1$

素因数の和:3119

約数の個数: 64

約数和(自身を含む): 56732400

約数和(自身を除く): 34985840

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 32, 40, 44, 55, 64, 80, 88, 110, 128, 160, 176, 220, 320, 352, 440, 640, 704, 880, 1408, 1760, 3089, 3520, 6178, 7040, 12356, 15445, 24712, 30890, 33979, 49424, 61780, 67958, 98848, 123560, 135916, 169895, 197696, 247120, 271832, 339790, 395392, 494240, 543664, 679580, 988480, 1087328, 1359160, 1976960, 2174656, 2718320, 4349312, 5436640, 10873280, 21746560]

約数ペア:

[(1, 21746560), (2, 10873280), (4, 5436640), (5, 4349312), (8, 2718320), (10, 2174656), (11, 1976960), (16, 1359160), (20, 1087328), (22, 988480), (32, 679580), (40, 543664), (44, 494240), (55, 395392), (64, 339790), (80, 271832), (88, 247120), (110, 197696), (128, 169895), (160, 135916), (176, 123560), (220, 98848), (320, 67958), (352, 61780), (440, 49424), (640, 33979), (704, 30890), (880, 24712), (1408, 15445), (1760, 12356), (3089, 7040), (3520, 6178)]