21398634

素因数分解:

$2^1\times 3^3\times {\mathrm{223}}^1\times {\mathrm{1777}}^1$

素因数の和:2011

約数の個数: 32

約数和(自身を含む): 47792640

約数和(自身を除く): 26394006

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 223, 446, 669, 1338, 1777, 2007, 3554, 4014, 5331, 6021, 10662, 12042, 15993, 31986, 47979, 95958, 396271, 792542, 1188813, 2377626, 3566439, 7132878, 10699317, 21398634]

約数ペア:

[(1, 21398634), (2, 10699317), (3, 7132878), (6, 3566439), (9, 2377626), (18, 1188813), (27, 792542), (54, 396271), (223, 95958), (446, 47979), (669, 31986), (1338, 15993), (1777, 12042), (2007, 10662), (3554, 6021), (4014, 5331)]