21739876

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{12437}}^1$

素因数の和:12483

約数の個数: 24

約数和(自身を含む): 41791680

約数和(自身を除く): 20051804

約数列:

[1, 2, 4, 19, 23, 38, 46, 76, 92, 437, 874, 1748, 12437, 24874, 49748, 236303, 286051, 472606, 572102, 945212, 1144204, 5434969, 10869938, 21739876]

約数ペア:

[(1, 21739876), (2, 10869938), (4, 5434969), (19, 1144204), (23, 945212), (38, 572102), (46, 472606), (76, 286051), (92, 236303), (437, 49748), (874, 24874), (1748, 12437)]