21811365318

素因数分解:

$2^1\times 3^1\times {\mathrm{127}}^1\times {\mathrm{28623839}}^1$

素因数の和:28623971

約数の個数: 16

約数和(自身を含む): 43966218240

約数和(自身を除く): 22154852922

約数列:

[1, 2, 3, 6, 127, 254, 381, 762, 28623839, 57247678, 85871517, 171743034, 3635227553, 7270455106, 10905682659, 21811365318]

約数ペア:

[(1, 21811365318), (2, 10905682659), (3, 7270455106), (6, 3635227553), (127, 171743034), (254, 85871517), (381, 57247678), (762, 28623839)]