21519099

素因数分解:

$3^2\times 7^1\times {\mathrm{23}}^1\times {\mathrm{14851}}^1$

素因数の和:14887

約数の個数: 24

約数和(自身を含む): 37070592

約数和(自身を除く): 15551493

約数列:

[1, 3, 7, 9, 21, 23, 63, 69, 161, 207, 483, 1449, 14851, 44553, 103957, 133659, 311871, 341573, 935613, 1024719, 2391011, 3074157, 7173033, 21519099]

約数ペア:

[(1, 21519099), (3, 7173033), (7, 3074157), (9, 2391011), (21, 1024719), (23, 935613), (63, 341573), (69, 311871), (161, 133659), (207, 103957), (483, 44553), (1449, 14851)]