21100443

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{77291}}^1$

素因数の和:77314

約数の個数: 16

約数和(自身を含む): 34626816

約数和(自身を除く): 13526373

約数列:

[1, 3, 7, 13, 21, 39, 91, 273, 77291, 231873, 541037, 1004783, 1623111, 3014349, 7033481, 21100443]

約数ペア:

[(1, 21100443), (3, 7033481), (7, 3014349), (13, 1623111), (21, 1004783), (39, 541037), (91, 231873), (273, 77291)]