21208470

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{107}}^1\times {\mathrm{6607}}^1$

素因数の和:6724

約数の個数: 32

約数和(自身を含む): 51383808

約数和(自身を除く): 30175338

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 107, 214, 321, 535, 642, 1070, 1605, 3210, 6607, 13214, 19821, 33035, 39642, 66070, 99105, 198210, 706949, 1413898, 2120847, 3534745, 4241694, 7069490, 10604235, 21208470]

約数ペア:

[(1, 21208470), (2, 10604235), (3, 7069490), (5, 4241694), (6, 3534745), (10, 2120847), (15, 1413898), (30, 706949), (107, 198210), (214, 99105), (321, 66070), (535, 39642), (642, 33035), (1070, 19821), (1605, 13214), (3210, 6607)]