21612058

素因数分解:

$2^1\times {\mathrm{13}}^2\times {\mathrm{43}}^1\times {\mathrm{1487}}^1$

素因数の和:1558

約数の個数: 24

約数和(自身を含む): 35944128

約数和(自身を除く): 14332070

約数列:

[1, 2, 13, 26, 43, 86, 169, 338, 559, 1118, 1487, 2974, 7267, 14534, 19331, 38662, 63941, 127882, 251303, 502606, 831233, 1662466, 10806029, 21612058]

約数ペア:

[(1, 21612058), (2, 10806029), (13, 1662466), (26, 831233), (43, 502606), (86, 251303), (169, 127882), (338, 63941), (559, 38662), (1118, 19331), (1487, 14534), (2974, 7267)]