21022132

素因数分解:

$2^2\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{53}}^1\times {\mathrm{307}}^1$

素因数の和:400

約数の個数: 48

約数和(自身を含む): 41912640

約数和(自身を除く): 20890508

約数列:

[1, 2, 4, 17, 19, 34, 38, 53, 68, 76, 106, 212, 307, 323, 614, 646, 901, 1007, 1228, 1292, 1802, 2014, 3604, 4028, 5219, 5833, 10438, 11666, 16271, 17119, 20876, 23332, 32542, 34238, 65084, 68476, 99161, 198322, 276607, 309149, 396644, 553214, 618298, 1106428, 1236596, 5255533, 10511066, 21022132]

約数ペア:

[(1, 21022132), (2, 10511066), (4, 5255533), (17, 1236596), (19, 1106428), (34, 618298), (38, 553214), (53, 396644), (68, 309149), (76, 276607), (106, 198322), (212, 99161), (307, 68476), (323, 65084), (614, 34238), (646, 32542), (901, 23332), (1007, 20876), (1228, 17119), (1292, 16271), (1802, 11666), (2014, 10438), (3604, 5833), (4028, 5219)]