21782364791021

素因数分解:

${\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{17321}}^1\times {\mathrm{1539253}}^1$

素因数の和:1556636

約数の個数: 16

約数和(自身を含む): 23463402853440

約数和(自身を除く): 1681038062419

約数列:

[1, 19, 43, 817, 17321, 329099, 744803, 1539253, 14151257, 29245807, 66187879, 1257569701, 26661401213, 506566623047, 1146440252159, 21782364791021]

約数ペア:

[(1, 21782364791021), (19, 1146440252159), (43, 506566623047), (817, 26661401213), (17321, 1257569701), (329099, 66187879), (744803, 29245807), (1539253, 14151257)]