21730214

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{79}}^1\times {\mathrm{12503}}^1$

素因数の和:12595

約数の個数: 16

約数和(自身を含む): 36011520

約数和(自身を除く): 14281306

約数列:

[1, 2, 11, 22, 79, 158, 869, 1738, 12503, 25006, 137533, 275066, 987737, 1975474, 10865107, 21730214]

約数ペア:

[(1, 21730214), (2, 10865107), (11, 1975474), (22, 987737), (79, 275066), (158, 137533), (869, 25006), (1738, 12503)]