21296528

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{5261}}^1$

素因数の和:5303

約数の個数: 40

約数和(自身を含む): 46979136

約数和(自身を除く): 25682608

約数列:

[1, 2, 4, 8, 11, 16, 22, 23, 44, 46, 88, 92, 176, 184, 253, 368, 506, 1012, 2024, 4048, 5261, 10522, 21044, 42088, 57871, 84176, 115742, 121003, 231484, 242006, 462968, 484012, 925936, 968024, 1331033, 1936048, 2662066, 5324132, 10648264, 21296528]

約数ペア:

[(1, 21296528), (2, 10648264), (4, 5324132), (8, 2662066), (11, 1936048), (16, 1331033), (22, 968024), (23, 925936), (44, 484012), (46, 462968), (88, 242006), (92, 231484), (176, 121003), (184, 115742), (253, 84176), (368, 57871), (506, 42088), (1012, 21044), (2024, 10522), (4048, 5261)]