21167855045

素因数分解:

$5^1\times {\mathrm{67}}^1\times {\mathrm{109}}^1\times {\mathrm{281}}^1\times {\mathrm{2063}}^1$

素因数の和:2525

約数の個数: 32

約数和(自身を含む): 26122314240

約数和(自身を除く): 4954459195

約数列:

[1, 5, 67, 109, 281, 335, 545, 1405, 2063, 7303, 10315, 18827, 30629, 36515, 94135, 138221, 153145, 224867, 579703, 691105, 1124335, 2052143, 2898515, 10260715, 15066089, 38840101, 63187627, 75330445, 194200505, 315938135, 4233571009, 21167855045]

約数ペア:

[(1, 21167855045), (5, 4233571009), (67, 315938135), (109, 194200505), (281, 75330445), (335, 63187627), (545, 38840101), (1405, 15066089), (2063, 10260715), (7303, 2898515), (10315, 2052143), (18827, 1124335), (30629, 691105), (36515, 579703), (94135, 224867), (138221, 153145)]