21705112

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{18973}}^1$

素因数の和:19003

約数の個数: 32

約数和(自身を含む): 47814480

約数和(自身を除く): 26109368

約数列:

[1, 2, 4, 8, 11, 13, 22, 26, 44, 52, 88, 104, 143, 286, 572, 1144, 18973, 37946, 75892, 151784, 208703, 246649, 417406, 493298, 834812, 986596, 1669624, 1973192, 2713139, 5426278, 10852556, 21705112]

約数ペア:

[(1, 21705112), (2, 10852556), (4, 5426278), (8, 2713139), (11, 1973192), (13, 1669624), (22, 986596), (26, 834812), (44, 493298), (52, 417406), (88, 246649), (104, 208703), (143, 151784), (286, 75892), (572, 37946), (1144, 18973)]