21023386

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{727}}^1\times {\mathrm{761}}^1$

素因数の和:1509

約数の個数: 16

約数和(自身を含む): 33284160

約数和(自身を除く): 12260774

約数列:

[1, 2, 19, 38, 727, 761, 1454, 1522, 13813, 14459, 27626, 28918, 553247, 1106494, 10511693, 21023386]

約数ペア:

[(1, 21023386), (2, 10511693), (19, 1106494), (38, 553247), (727, 28918), (761, 27626), (1454, 14459), (1522, 13813)]