21106295

素因数分解:

$5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{157}}^1\times {\mathrm{167}}^1$

素因数の和:359

約数の個数: 32

約数和(自身を含む): 30578688

約数和(自身を除く): 9472393

約数列:

[1, 5, 7, 23, 35, 115, 157, 161, 167, 785, 805, 835, 1099, 1169, 3611, 3841, 5495, 5845, 18055, 19205, 25277, 26219, 26887, 126385, 131095, 134435, 183533, 603037, 917665, 3015185, 4221259, 21106295]

約数ペア:

[(1, 21106295), (5, 4221259), (7, 3015185), (23, 917665), (35, 603037), (115, 183533), (157, 134435), (161, 131095), (167, 126385), (785, 26887), (805, 26219), (835, 25277), (1099, 19205), (1169, 18055), (3611, 5845), (3841, 5495)]