21789378

素因数分解:

$2^1\times 3^3\times {\mathrm{13}}^1\times {\mathrm{31039}}^1$

素因数の和:31063

約数の個数: 32

約数和(自身を含む): 52147200

約数和(自身を除く): 30357822

約数列:

[1, 2, 3, 6, 9, 13, 18, 26, 27, 39, 54, 78, 117, 234, 351, 702, 31039, 62078, 93117, 186234, 279351, 403507, 558702, 807014, 838053, 1210521, 1676106, 2421042, 3631563, 7263126, 10894689, 21789378]

約数ペア:

[(1, 21789378), (2, 10894689), (3, 7263126), (6, 3631563), (9, 2421042), (13, 1676106), (18, 1210521), (26, 838053), (27, 807014), (39, 558702), (54, 403507), (78, 279351), (117, 186234), (234, 93117), (351, 62078), (702, 31039)]