21127029

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{91459}}^1$

素因数の和:91480

約数の個数: 16

約数和(自身を含む): 35120640

約数和(自身を除く): 13993611

約数列:

[1, 3, 7, 11, 21, 33, 77, 231, 91459, 274377, 640213, 1006049, 1920639, 3018147, 7042343, 21127029]

約数ペア:

[(1, 21127029), (3, 7042343), (7, 3018147), (11, 1920639), (21, 1006049), (33, 640213), (77, 274377), (231, 91459)]