21315954

素因数分解:

$2^1\times 3^1\times {\mathrm{11}}^1\times {\mathrm{322969}}^1$

素因数の和:322985

約数の個数: 16

約数和(自身を含む): 46507680

約数和(自身を除く): 25191726

約数列:

[1, 2, 3, 6, 11, 22, 33, 66, 322969, 645938, 968907, 1937814, 3552659, 7105318, 10657977, 21315954]

約数ペア:

[(1, 21315954), (2, 10657977), (3, 7105318), (6, 3552659), (11, 1937814), (22, 968907), (33, 645938), (66, 322969)]