21383766

素因数分解:

$2^1\times 3^2\times {\mathrm{821}}^1\times {\mathrm{1447}}^1$

素因数の和:2276

約数の個数: 24

約数和(自身を含む): 46419984

約数和(自身を除く): 25036218

約数列:

[1, 2, 3, 6, 9, 18, 821, 1447, 1642, 2463, 2894, 4341, 4926, 7389, 8682, 13023, 14778, 26046, 1187987, 2375974, 3563961, 7127922, 10691883, 21383766]

約数ペア:

[(1, 21383766), (2, 10691883), (3, 7127922), (6, 3563961), (9, 2375974), (18, 1187987), (821, 26046), (1447, 14778), (1642, 13023), (2463, 8682), (2894, 7389), (4341, 4926)]