21037082852

素因数分解:

$2^2\times {\mathrm{79}}^1\times {\mathrm{167}}^1\times {\mathrm{271}}^1\times {\mathrm{1471}}^1$

素因数の和:1992

約数の個数: 48

約数和(自身を含む): 37668126720

約数和(自身を除く): 16631043868

約数列:

[1, 2, 4, 79, 158, 167, 271, 316, 334, 542, 668, 1084, 1471, 2942, 5884, 13193, 21409, 26386, 42818, 45257, 52772, 85636, 90514, 116209, 181028, 232418, 245657, 398641, 464836, 491314, 797282, 982628, 1594564, 3575303, 7150606, 14301212, 19406903, 31492639, 38813806, 62985278, 66573047, 77627612, 125970556, 133146094, 266292188, 5259270713, 10518541426, 21037082852]

約数ペア:

[(1, 21037082852), (2, 10518541426), (4, 5259270713), (79, 266292188), (158, 133146094), (167, 125970556), (271, 77627612), (316, 66573047), (334, 62985278), (542, 38813806), (668, 31492639), (1084, 19406903), (1471, 14301212), (2942, 7150606), (5884, 3575303), (13193, 1594564), (21409, 982628), (26386, 797282), (42818, 491314), (45257, 464836), (52772, 398641), (85636, 245657), (90514, 232418), (116209, 181028)]