21167150555

素因数分解:

$5^1\times {\mathrm{151}}^1\times {\mathrm{157}}^1\times {\mathrm{283}}^1\times {\mathrm{631}}^1$

素因数の和:1227

約数の個数: 32

約数和(自身を含む): 25863502848

約数和(自身を除く): 4696352293

約数列:

[1, 5, 151, 157, 283, 631, 755, 785, 1415, 3155, 23707, 42733, 44431, 95281, 99067, 118535, 178573, 213665, 222155, 476405, 495335, 892865, 6709081, 14959117, 26964523, 28035961, 33545405, 74795585, 134822615, 140179805, 4233430111, 21167150555]

約数ペア:

[(1, 21167150555), (5, 4233430111), (151, 140179805), (157, 134822615), (283, 74795585), (631, 33545405), (755, 28035961), (785, 26964523), (1415, 14959117), (3155, 6709081), (23707, 892865), (42733, 495335), (44431, 476405), (95281, 222155), (99067, 213665), (118535, 178573)]