21349653

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{73}}^1\times {\mathrm{7499}}^1$

素因数の和:7588

約数の個数: 16

約数和(自身を含む): 31080000

約数和(自身を除く): 9730347

約数列:

[1, 3, 13, 39, 73, 219, 949, 2847, 7499, 22497, 97487, 292461, 547427, 1642281, 7116551, 21349653]

約数ペア:

[(1, 21349653), (3, 7116551), (13, 1642281), (39, 547427), (73, 292461), (219, 97487), (949, 22497), (2847, 7499)]