21262695

素因数分解:

$3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{61631}}^1$

素因数の和:61662

約数の個数: 16

約数和(自身を含む): 35500032

約数和(自身を除く): 14237337

約数列:

[1, 3, 5, 15, 23, 69, 115, 345, 61631, 184893, 308155, 924465, 1417513, 4252539, 7087565, 21262695]

約数ペア:

[(1, 21262695), (3, 7087565), (5, 4252539), (15, 1417513), (23, 924465), (69, 308155), (115, 184893), (345, 61631)]