21203558

素因数分解:

$2^1\times {\mathrm{43}}^1\times {\mathrm{373}}^1\times {\mathrm{661}}^1$

素因数の和:1079

約数の個数: 16

約数和(自身を含む): 32681616

約数和(自身を除く): 11478058

約数列:

[1, 2, 43, 86, 373, 661, 746, 1322, 16039, 28423, 32078, 56846, 246553, 493106, 10601779, 21203558]

約数ペア:

[(1, 21203558), (2, 10601779), (43, 493106), (86, 246553), (373, 56846), (661, 32078), (746, 28423), (1322, 16039)]