21860745

素因数分解:

$3^1\times 5^1\times {\mathrm{163}}^1\times {\mathrm{8941}}^1$

素因数の和:9112

約数の個数: 16

約数和(自身を含む): 35195712

約数和(自身を除く): 13334967

約数列:

[1, 3, 5, 15, 163, 489, 815, 2445, 8941, 26823, 44705, 134115, 1457383, 4372149, 7286915, 21860745]

約数ペア:

[(1, 21860745), (3, 7286915), (5, 4372149), (15, 1457383), (163, 134115), (489, 44705), (815, 26823), (2445, 8941)]