21424304

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{2969}}^1$

素因数の和:3029

約数の個数: 40

約数和(自身を含む): 46403280

約数和(自身を除く): 24978976

約数列:

[1, 2, 4, 8, 11, 16, 22, 41, 44, 82, 88, 164, 176, 328, 451, 656, 902, 1804, 2969, 3608, 5938, 7216, 11876, 23752, 32659, 47504, 65318, 121729, 130636, 243458, 261272, 486916, 522544, 973832, 1339019, 1947664, 2678038, 5356076, 10712152, 21424304]

約数ペア:

[(1, 21424304), (2, 10712152), (4, 5356076), (8, 2678038), (11, 1947664), (16, 1339019), (22, 973832), (41, 522544), (44, 486916), (82, 261272), (88, 243458), (164, 130636), (176, 121729), (328, 65318), (451, 47504), (656, 32659), (902, 23752), (1804, 11876), (2969, 7216), (3608, 5938)]