21043616

素因数分解:

$2^5\times {\mathrm{11}}^1\times {\mathrm{191}}^1\times {\mathrm{313}}^1$

素因数の和:525

約数の個数: 48

約数和(自身を含む): 45577728

約数和(自身を除く): 24534112

約数列:

[1, 2, 4, 8, 11, 16, 22, 32, 44, 88, 176, 191, 313, 352, 382, 626, 764, 1252, 1528, 2101, 2504, 3056, 3443, 4202, 5008, 6112, 6886, 8404, 10016, 13772, 16808, 27544, 33616, 55088, 59783, 67232, 110176, 119566, 239132, 478264, 657613, 956528, 1315226, 1913056, 2630452, 5260904, 10521808, 21043616]

約数ペア:

[(1, 21043616), (2, 10521808), (4, 5260904), (8, 2630452), (11, 1913056), (16, 1315226), (22, 956528), (32, 657613), (44, 478264), (88, 239132), (176, 119566), (191, 110176), (313, 67232), (352, 59783), (382, 55088), (626, 33616), (764, 27544), (1252, 16808), (1528, 13772), (2101, 10016), (2504, 8404), (3056, 6886), (3443, 6112), (4202, 5008)]