21034013

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{21013}}^1$

素因数の和:21044

約数の個数: 16

約数和(自身を含む): 28242816

約数和(自身を除く): 7208803

約数列:

[1, 7, 11, 13, 77, 91, 143, 1001, 21013, 147091, 231143, 273169, 1618001, 1912183, 3004859, 21034013]

約数ペア:

[(1, 21034013), (7, 3004859), (11, 1912183), (13, 1618001), (77, 273169), (91, 231143), (143, 147091), (1001, 21013)]