21363771

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{2621}}^1$

素因数の和:2667

約数の個数: 32

約数和(自身を含む): 35239680

約数和(自身を除く): 13875909

約数列:

[1, 3, 11, 13, 19, 33, 39, 57, 143, 209, 247, 429, 627, 741, 2621, 2717, 7863, 8151, 28831, 34073, 49799, 86493, 102219, 149397, 374803, 547789, 647387, 1124409, 1643367, 1942161, 7121257, 21363771]

約数ペア:

[(1, 21363771), (3, 7121257), (11, 1942161), (13, 1643367), (19, 1124409), (33, 647387), (39, 547789), (57, 374803), (143, 149397), (209, 102219), (247, 86493), (429, 49799), (627, 34073), (741, 28831), (2621, 8151), (2717, 7863)]