21000736494

素因数分解:

$2^1\times 3^2\times {\mathrm{2131}}^1\times {\mathrm{547493}}^1$

素因数の和:549632

約数の個数: 24

約数和(自身を含む): 45523031112

約数和(自身を除く): 24522294618

約数列:

[1, 2, 3, 6, 9, 18, 2131, 4262, 6393, 12786, 19179, 38358, 547493, 1094986, 1642479, 3284958, 4927437, 9854874, 1166707583, 2333415166, 3500122749, 7000245498, 10500368247, 21000736494]

約数ペア:

[(1, 21000736494), (2, 10500368247), (3, 7000245498), (6, 3500122749), (9, 2333415166), (18, 1166707583), (2131, 9854874), (4262, 4927437), (6393, 3284958), (12786, 1642479), (19179, 1094986), (38358, 547493)]