21819512

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{19073}}^1$

素因数の和:19103

約数の個数: 32

約数和(自身を含む): 48066480

約数和(自身を除く): 26246968

約数列:

[1, 2, 4, 8, 11, 13, 22, 26, 44, 52, 88, 104, 143, 286, 572, 1144, 19073, 38146, 76292, 152584, 209803, 247949, 419606, 495898, 839212, 991796, 1678424, 1983592, 2727439, 5454878, 10909756, 21819512]

約数ペア:

[(1, 21819512), (2, 10909756), (4, 5454878), (8, 2727439), (11, 1983592), (13, 1678424), (22, 991796), (26, 839212), (44, 495898), (52, 419606), (88, 247949), (104, 209803), (143, 152584), (286, 76292), (572, 38146), (1144, 19073)]