21852873

素因数分解:

$3^2\times 7^3\times {\mathrm{7079}}^1$

素因数の和:7106

約数の個数: 24

約数和(自身を含む): 36816000

約数和(自身を除く): 14963127

約数列:

[1, 3, 7, 9, 21, 49, 63, 147, 343, 441, 1029, 3087, 7079, 21237, 49553, 63711, 148659, 346871, 445977, 1040613, 2428097, 3121839, 7284291, 21852873]

約数ペア:

[(1, 21852873), (3, 7284291), (7, 3121839), (9, 2428097), (21, 1040613), (49, 445977), (63, 346871), (147, 148659), (343, 63711), (441, 49553), (1029, 21237), (3087, 7079)]