21897587336

素因数分解:

$2^3\times {\mathrm{41}}^1\times {\mathrm{823}}^1\times {\mathrm{81119}}^1$

素因数の和:81989

約数の個数: 32

約数和(自身を含む): 42111014400

約数和(自身を除く): 20213427064

約数列:

[1, 2, 4, 8, 41, 82, 164, 328, 823, 1646, 3292, 6584, 33743, 67486, 81119, 134972, 162238, 269944, 324476, 648952, 3325879, 6651758, 13303516, 26607032, 66760937, 133521874, 267043748, 534087496, 2737198417, 5474396834, 10948793668, 21897587336]

約数ペア:

[(1, 21897587336), (2, 10948793668), (4, 5474396834), (8, 2737198417), (41, 534087496), (82, 267043748), (164, 133521874), (328, 66760937), (823, 26607032), (1646, 13303516), (3292, 6651758), (6584, 3325879), (33743, 648952), (67486, 324476), (81119, 269944), (134972, 162238)]