21394292

素因数分解:

$2^2\times {\mathrm{41}}^1\times {\mathrm{191}}^1\times {\mathrm{683}}^1$

素因数の和:919

約数の個数: 24

約数和(自身を含む): 38610432

約数和(自身を除く): 17216140

約数列:

[1, 2, 4, 41, 82, 164, 191, 382, 683, 764, 1366, 2732, 7831, 15662, 28003, 31324, 56006, 112012, 130453, 260906, 521812, 5348573, 10697146, 21394292]

約数ペア:

[(1, 21394292), (2, 10697146), (4, 5348573), (41, 521812), (82, 260906), (164, 130453), (191, 112012), (382, 56006), (683, 31324), (764, 28003), (1366, 15662), (2732, 7831)]