21329139

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{487}}^1\times {\mathrm{1123}}^1$

素因数の和:1626

約数の個数: 16

約数和(自身を含む): 30716672

約数和(自身を除く): 9387533

約数列:

[1, 3, 13, 39, 487, 1123, 1461, 3369, 6331, 14599, 18993, 43797, 546901, 1640703, 7109713, 21329139]

約数ペア:

[(1, 21329139), (3, 7109713), (13, 1640703), (39, 546901), (487, 43797), (1123, 18993), (1461, 14599), (3369, 6331)]