21814665

素因数分解:

$3^1\times 5^1\times {\mathrm{41}}^1\times {\mathrm{79}}^1\times {\mathrm{449}}^1$

素因数の和:577

約数の個数: 32

約数和(自身を含む): 36288000

約数和(自身を除く): 14473335

約数列:

[1, 3, 5, 15, 41, 79, 123, 205, 237, 395, 449, 615, 1185, 1347, 2245, 3239, 6735, 9717, 16195, 18409, 35471, 48585, 55227, 92045, 106413, 177355, 276135, 532065, 1454311, 4362933, 7271555, 21814665]

約数ペア:

[(1, 21814665), (3, 7271555), (5, 4362933), (15, 1454311), (41, 532065), (79, 276135), (123, 177355), (205, 106413), (237, 92045), (395, 55227), (449, 48585), (615, 35471), (1185, 18409), (1347, 16195), (2245, 9717), (3239, 6735)]