21367017

素因数分解:

$3^3\times 7^1\times {\mathrm{131}}^1\times {\mathrm{863}}^1$

素因数の和:1010

約数の個数: 32

約数和(自身を含む): 36495360

約数和(自身を除く): 15128343

約数列:

[1, 3, 7, 9, 21, 27, 63, 131, 189, 393, 863, 917, 1179, 2589, 2751, 3537, 6041, 7767, 8253, 18123, 23301, 24759, 54369, 113053, 163107, 339159, 791371, 1017477, 2374113, 3052431, 7122339, 21367017]

約数ペア:

[(1, 21367017), (3, 7122339), (7, 3052431), (9, 2374113), (21, 1017477), (27, 791371), (63, 339159), (131, 163107), (189, 113053), (393, 54369), (863, 24759), (917, 23301), (1179, 18123), (2589, 8253), (2751, 7767), (3537, 6041)]