21000377048

素因数分解:

$2^3\times 7^1\times {\mathrm{359}}^1\times {\mathrm{1044587}}^1$

素因数の和:1044959

約数の個数: 32

約数和(自身を含む): 45126201600

約数和(自身を除く): 24125824552

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 359, 718, 1436, 2513, 2872, 5026, 10052, 20104, 1044587, 2089174, 4178348, 7312109, 8356696, 14624218, 29248436, 58496872, 375006733, 750013466, 1500026932, 2625047131, 3000053864, 5250094262, 10500188524, 21000377048]

約数ペア:

[(1, 21000377048), (2, 10500188524), (4, 5250094262), (7, 3000053864), (8, 2625047131), (14, 1500026932), (28, 750013466), (56, 375006733), (359, 58496872), (718, 29248436), (1436, 14624218), (2513, 8356696), (2872, 7312109), (5026, 4178348), (10052, 2089174), (20104, 1044587)]