21683992

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{239}}^1\times {\mathrm{1031}}^1$

素因数の和:1287

約数の個数: 32

約数和(自身を含む): 44582400

約数和(自身を除く): 22898408

約数列:

[1, 2, 4, 8, 11, 22, 44, 88, 239, 478, 956, 1031, 1912, 2062, 2629, 4124, 5258, 8248, 10516, 11341, 21032, 22682, 45364, 90728, 246409, 492818, 985636, 1971272, 2710499, 5420998, 10841996, 21683992]

約数ペア:

[(1, 21683992), (2, 10841996), (4, 5420998), (8, 2710499), (11, 1971272), (22, 985636), (44, 492818), (88, 246409), (239, 90728), (478, 45364), (956, 22682), (1031, 21032), (1912, 11341), (2062, 10516), (2629, 8248), (4124, 5258)]