21438023

素因数分解:

${\mathrm{19}}^1\times {\mathrm{53}}^1\times {\mathrm{61}}^1\times {\mathrm{349}}^1$

素因数の和:482

約数の個数: 16

約数和(自身を含む): 23436000

約数和(自身を除く): 1997977

約数列:

[1, 19, 53, 61, 349, 1007, 1159, 3233, 6631, 18497, 21289, 61427, 351443, 404491, 1128317, 21438023]

約数ペア:

[(1, 21438023), (19, 1128317), (53, 404491), (61, 351443), (349, 61427), (1007, 21289), (1159, 18497), (3233, 6631)]