21667716

素因数分解:

$2^2\times 3^3\times 7^1\times {\mathrm{28661}}^1$

素因数の和:28681

約数の個数: 48

約数和(自身を含む): 64202880

約数和(自身を除く): 42535164

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 27, 28, 36, 42, 54, 63, 84, 108, 126, 189, 252, 378, 756, 28661, 57322, 85983, 114644, 171966, 200627, 257949, 343932, 401254, 515898, 601881, 773847, 802508, 1031796, 1203762, 1547694, 1805643, 2407524, 3095388, 3611286, 5416929, 7222572, 10833858, 21667716]

約数ペア:

[(1, 21667716), (2, 10833858), (3, 7222572), (4, 5416929), (6, 3611286), (7, 3095388), (9, 2407524), (12, 1805643), (14, 1547694), (18, 1203762), (21, 1031796), (27, 802508), (28, 773847), (36, 601881), (42, 515898), (54, 401254), (63, 343932), (84, 257949), (108, 200627), (126, 171966), (189, 114644), (252, 85983), (378, 57322), (756, 28661)]