21266949

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{167}}^1\times {\mathrm{227}}^1$

素因数の和:425

約数の個数: 32

約数和(自身を含む): 33094656

約数和(自身を除く): 11827707

約数列:

[1, 3, 11, 17, 33, 51, 167, 187, 227, 501, 561, 681, 1837, 2497, 2839, 3859, 5511, 7491, 8517, 11577, 31229, 37909, 42449, 93687, 113727, 127347, 416999, 644453, 1250997, 1933359, 7088983, 21266949]

約数ペア:

[(1, 21266949), (3, 7088983), (11, 1933359), (17, 1250997), (33, 644453), (51, 416999), (167, 127347), (187, 113727), (227, 93687), (501, 42449), (561, 37909), (681, 31229), (1837, 11577), (2497, 8517), (2839, 7491), (3859, 5511)]