21167344

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{127}}^1\times {\mathrm{947}}^1$

素因数の和:1093

約数の個数: 40

約数和(自身を含む): 45139968

約数和(自身を除く): 23972624

約数列:

[1, 2, 4, 8, 11, 16, 22, 44, 88, 127, 176, 254, 508, 947, 1016, 1397, 1894, 2032, 2794, 3788, 5588, 7576, 10417, 11176, 15152, 20834, 22352, 41668, 83336, 120269, 166672, 240538, 481076, 962152, 1322959, 1924304, 2645918, 5291836, 10583672, 21167344]

約数ペア:

[(1, 21167344), (2, 10583672), (4, 5291836), (8, 2645918), (11, 1924304), (16, 1322959), (22, 962152), (44, 481076), (88, 240538), (127, 166672), (176, 120269), (254, 83336), (508, 41668), (947, 22352), (1016, 20834), (1397, 15152), (1894, 11176), (2032, 10417), (2794, 7576), (3788, 5588)]