21468079059

素因数分解:

$3^1\times 7^1\times {\mathrm{137}}^1\times {\mathrm{151}}^1\times {\mathrm{49417}}^1$

素因数の和:49715

約数の個数: 32

約数和(自身を含む): 33170942976

約数和(自身を除く): 11702863917

約数列:

[1, 3, 7, 21, 137, 151, 411, 453, 959, 1057, 2877, 3171, 20687, 49417, 62061, 144809, 148251, 345919, 434427, 1037757, 6770129, 7461967, 20310387, 22385901, 47390903, 52233769, 142172709, 156701307, 1022289479, 3066868437, 7156026353, 21468079059]

約数ペア:

[(1, 21468079059), (3, 7156026353), (7, 3066868437), (21, 1022289479), (137, 156701307), (151, 142172709), (411, 52233769), (453, 47390903), (959, 22385901), (1057, 20310387), (2877, 7461967), (3171, 6770129), (20687, 1037757), (49417, 434427), (62061, 345919), (144809, 148251)]