21363895

素因数分解:

$5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{26539}}^1$

素因数の和:26574

約数の個数: 16

約数和(自身を含む): 30574080

約数和(自身を除く): 9210185

約数列:

[1, 5, 7, 23, 35, 115, 161, 805, 26539, 132695, 185773, 610397, 928865, 3051985, 4272779, 21363895]

約数ペア:

[(1, 21363895), (5, 4272779), (7, 3051985), (23, 928865), (35, 610397), (115, 185773), (161, 132695), (805, 26539)]