21548985

素因数分解:

$3^1\times 5^1\times {\mathrm{37}}^1\times {\mathrm{41}}^1\times {\mathrm{947}}^1$

素因数の和:1033

約数の個数: 32

約数和(自身を含む): 36312192

約数和(自身を除く): 14763207

約数列:

[1, 3, 5, 15, 37, 41, 111, 123, 185, 205, 555, 615, 947, 1517, 2841, 4551, 4735, 7585, 14205, 22755, 35039, 38827, 105117, 116481, 175195, 194135, 525585, 582405, 1436599, 4309797, 7182995, 21548985]

約数ペア:

[(1, 21548985), (3, 7182995), (5, 4309797), (15, 1436599), (37, 582405), (41, 525585), (111, 194135), (123, 175195), (185, 116481), (205, 105117), (555, 38827), (615, 35039), (947, 22755), (1517, 14205), (2841, 7585), (4551, 4735)]