21651201

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{16823}}^1$

素因数の和:16853

約数の個数: 24

約数和(自身を含む): 36743616

約数和(自身を除く): 15092415

約数列:

[1, 3, 9, 11, 13, 33, 39, 99, 117, 143, 429, 1287, 16823, 50469, 151407, 185053, 218699, 555159, 656097, 1665477, 1968291, 2405689, 7217067, 21651201]

約数ペア:

[(1, 21651201), (3, 7217067), (9, 2405689), (11, 1968291), (13, 1665477), (33, 656097), (39, 555159), (99, 218699), (117, 185053), (143, 151407), (429, 50469), (1287, 16823)]