21679053

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{149}}^1\times {\mathrm{4409}}^1$

素因数の和:4572

約数の個数: 16

約数和(自身を含む): 31752000

約数和(自身を除く): 10072947

約数列:

[1, 3, 11, 33, 149, 447, 1639, 4409, 4917, 13227, 48499, 145497, 656941, 1970823, 7226351, 21679053]

約数ペア:

[(1, 21679053), (3, 7226351), (11, 1970823), (33, 656941), (149, 145497), (447, 48499), (1639, 13227), (4409, 4917)]