21702902

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{43933}}^1$

素因数の和:43967

約数の個数: 16

約数和(自身を含む): 36904560

約数和(自身を除く): 15201658

約数列:

[1, 2, 13, 19, 26, 38, 247, 494, 43933, 87866, 571129, 834727, 1142258, 1669454, 10851451, 21702902]

約数ペア:

[(1, 21702902), (2, 10851451), (13, 1669454), (19, 1142258), (26, 834727), (38, 571129), (247, 87866), (494, 43933)]