21687432

素因数分解:

$2^3\times 3^1\times {\mathrm{13}}^2\times {\mathrm{5347}}^1$

素因数の和:5382

約数の個数: 48

約数和(自身を含む): 58721040

約数和(自身を除く): 37033608

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 24, 26, 39, 52, 78, 104, 156, 169, 312, 338, 507, 676, 1014, 1352, 2028, 4056, 5347, 10694, 16041, 21388, 32082, 42776, 64164, 69511, 128328, 139022, 208533, 278044, 417066, 556088, 834132, 903643, 1668264, 1807286, 2710929, 3614572, 5421858, 7229144, 10843716, 21687432]

約数ペア:

[(1, 21687432), (2, 10843716), (3, 7229144), (4, 5421858), (6, 3614572), (8, 2710929), (12, 1807286), (13, 1668264), (24, 903643), (26, 834132), (39, 556088), (52, 417066), (78, 278044), (104, 208533), (156, 139022), (169, 128328), (312, 69511), (338, 64164), (507, 42776), (676, 32082), (1014, 21388), (1352, 16041), (2028, 10694), (4056, 5347)]