21727185

素因数分解:

$3^1\times 5^1\times {\mathrm{907}}^1\times {\mathrm{1597}}^1$

素因数の和:2512

約数の個数: 16

約数和(自身を含む): 34823616

約数和(自身を除く): 13096431

約数列:

[1, 3, 5, 15, 907, 1597, 2721, 4535, 4791, 7985, 13605, 23955, 1448479, 4345437, 7242395, 21727185]

約数ペア:

[(1, 21727185), (3, 7242395), (5, 4345437), (15, 1448479), (907, 23955), (1597, 13605), (2721, 7985), (4535, 4791)]