21860804

素因数分解:

$2^2\times 7^1\times {\mathrm{53}}^1\times {\mathrm{14731}}^1$

素因数の和:14795

約数の個数: 24

約数和(自身を含む): 44549568

約数和(自身を除く): 22688764

約数列:

[1, 2, 4, 7, 14, 28, 53, 106, 212, 371, 742, 1484, 14731, 29462, 58924, 103117, 206234, 412468, 780743, 1561486, 3122972, 5465201, 10930402, 21860804]

約数ペア:

[(1, 21860804), (2, 10930402), (4, 5465201), (7, 3122972), (14, 1561486), (28, 780743), (53, 412468), (106, 206234), (212, 103117), (371, 58924), (742, 29462), (1484, 14731)]