21230745

素因数分解:

$3^1\times 5^1\times {\mathrm{61}}^1\times {\mathrm{23203}}^1$

素因数の和:23272

約数の個数: 16

約数和(自身を含む): 34527552

約数和(自身を除く): 13296807

約数列:

[1, 3, 5, 15, 61, 183, 305, 915, 23203, 69609, 116015, 348045, 1415383, 4246149, 7076915, 21230745]

約数ペア:

[(1, 21230745), (3, 7076915), (5, 4246149), (15, 1415383), (61, 348045), (183, 116015), (305, 69609), (915, 23203)]