21578692

素因数分解:

$2^2\times {\mathrm{23}}^1\times {\mathrm{79}}^1\times {\mathrm{2969}}^1$

素因数の和:3075

約数の個数: 24

約数和(自身を含む): 39916800

約数和(自身を除く): 18338108

約数列:

[1, 2, 4, 23, 46, 79, 92, 158, 316, 1817, 2969, 3634, 5938, 7268, 11876, 68287, 136574, 234551, 273148, 469102, 938204, 5394673, 10789346, 21578692]

約数ペア:

[(1, 21578692), (2, 10789346), (4, 5394673), (23, 938204), (46, 469102), (79, 273148), (92, 234551), (158, 136574), (316, 68287), (1817, 11876), (2969, 7268), (3634, 5938)]