21449524

素因数分解:

$2^2\times {\mathrm{23}}^1\times {\mathrm{53}}^2\times {\mathrm{83}}^1$

素因数の和:216

約数の個数: 36

約数和(自身を含む): 40402656

約数和(自身を除く): 18953132

約数列:

[1, 2, 4, 23, 46, 53, 83, 92, 106, 166, 212, 332, 1219, 1909, 2438, 2809, 3818, 4399, 4876, 5618, 7636, 8798, 11236, 17596, 64607, 101177, 129214, 202354, 233147, 258428, 404708, 466294, 932588, 5362381, 10724762, 21449524]

約数ペア:

[(1, 21449524), (2, 10724762), (4, 5362381), (23, 932588), (46, 466294), (53, 404708), (83, 258428), (92, 233147), (106, 202354), (166, 129214), (212, 101177), (332, 64607), (1219, 17596), (1909, 11236), (2438, 8798), (2809, 7636), (3818, 5618), (4399, 4876)]