21958468

素因数分解:

$2^2\times 7^2\times {\mathrm{23}}^1\times {\mathrm{4871}}^1$

素因数の和:4912

約数の個数: 36

約数和(自身を含む): 46654272

約数和(自身を除く): 24695804

約数列:

[1, 2, 4, 7, 14, 23, 28, 46, 49, 92, 98, 161, 196, 322, 644, 1127, 2254, 4508, 4871, 9742, 19484, 34097, 68194, 112033, 136388, 224066, 238679, 448132, 477358, 784231, 954716, 1568462, 3136924, 5489617, 10979234, 21958468]

約数ペア:

[(1, 21958468), (2, 10979234), (4, 5489617), (7, 3136924), (14, 1568462), (23, 954716), (28, 784231), (46, 477358), (49, 448132), (92, 238679), (98, 224066), (161, 136388), (196, 112033), (322, 68194), (644, 34097), (1127, 19484), (2254, 9742), (4508, 4871)]