21642292

素因数分解:

$2^2\times 7^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{2393}}^1$

素因数の和:2440

約数の個数: 48

約数和(自身を含む): 48263040

約数和(自身を除く): 26620748

約数列:

[1, 2, 4, 7, 14, 17, 19, 28, 34, 38, 68, 76, 119, 133, 238, 266, 323, 476, 532, 646, 1292, 2261, 2393, 4522, 4786, 9044, 9572, 16751, 33502, 40681, 45467, 67004, 81362, 90934, 162724, 181868, 284767, 318269, 569534, 636538, 772939, 1139068, 1273076, 1545878, 3091756, 5410573, 10821146, 21642292]

約数ペア:

[(1, 21642292), (2, 10821146), (4, 5410573), (7, 3091756), (14, 1545878), (17, 1273076), (19, 1139068), (28, 772939), (34, 636538), (38, 569534), (68, 318269), (76, 284767), (119, 181868), (133, 162724), (238, 90934), (266, 81362), (323, 67004), (476, 45467), (532, 40681), (646, 33502), (1292, 16751), (2261, 9572), (2393, 9044), (4522, 4786)]