21066144

素因数分解:

$2^5\times 3^1\times {\mathrm{11}}^1\times {\mathrm{19949}}^1$

素因数の和:19973

約数の個数: 48

約数和(自身を含む): 60328800

約数和(自身を除く): 39262656

約数列:

[1, 2, 3, 4, 6, 8, 11, 12, 16, 22, 24, 32, 33, 44, 48, 66, 88, 96, 132, 176, 264, 352, 528, 1056, 19949, 39898, 59847, 79796, 119694, 159592, 219439, 239388, 319184, 438878, 478776, 638368, 658317, 877756, 957552, 1316634, 1755512, 1915104, 2633268, 3511024, 5266536, 7022048, 10533072, 21066144]

約数ペア:

[(1, 21066144), (2, 10533072), (3, 7022048), (4, 5266536), (6, 3511024), (8, 2633268), (11, 1915104), (12, 1755512), (16, 1316634), (22, 957552), (24, 877756), (32, 658317), (33, 638368), (44, 478776), (48, 438878), (66, 319184), (88, 239388), (96, 219439), (132, 159592), (176, 119694), (264, 79796), (352, 59847), (528, 39898), (1056, 19949)]