21288792

素因数分解:

$2^3\times 3^1\times 7^1\times {\mathrm{126719}}^1$

素因数の和:126735

約数の個数: 32

約数和(自身を含む): 60825600

約数和(自身を除く): 39536808

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 21, 24, 28, 42, 56, 84, 168, 126719, 253438, 380157, 506876, 760314, 887033, 1013752, 1520628, 1774066, 2661099, 3041256, 3548132, 5322198, 7096264, 10644396, 21288792]

約数ペア:

[(1, 21288792), (2, 10644396), (3, 7096264), (4, 5322198), (6, 3548132), (7, 3041256), (8, 2661099), (12, 1774066), (14, 1520628), (21, 1013752), (24, 887033), (28, 760314), (42, 506876), (56, 380157), (84, 253438), (168, 126719)]