21898929

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{487}}^1\times {\mathrm{1153}}^1$

素因数の和:1656

約数の個数: 16

約数和(自身を含む): 31536512

約数和(自身を除く): 9637583

約数列:

[1, 3, 13, 39, 487, 1153, 1461, 3459, 6331, 14989, 18993, 44967, 561511, 1684533, 7299643, 21898929]

約数ペア:

[(1, 21898929), (3, 7299643), (13, 1684533), (39, 561511), (487, 44967), (1153, 18993), (1461, 14989), (3459, 6331)]