21065566

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{83}}^1\times {\mathrm{6679}}^1$

素因数の和:6783

約数の個数: 16

約数和(自身を含む): 33667200

約数和(自身を除く): 12601634

約数列:

[1, 2, 19, 38, 83, 166, 1577, 3154, 6679, 13358, 126901, 253802, 554357, 1108714, 10532783, 21065566]

約数ペア:

[(1, 21065566), (2, 10532783), (19, 1108714), (38, 554357), (83, 253802), (166, 126901), (1577, 13358), (3154, 6679)]