21494646

素因数分解:

$2^1\times 3^4\times {\mathrm{277}}^1\times {\mathrm{479}}^1$

素因数の和:770

約数の個数: 40

約数和(自身を含む): 48438720

約数和(自身を除く): 26944074

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 81, 162, 277, 479, 554, 831, 958, 1437, 1662, 2493, 2874, 4311, 4986, 7479, 8622, 12933, 14958, 22437, 25866, 38799, 44874, 77598, 132683, 265366, 398049, 796098, 1194147, 2388294, 3582441, 7164882, 10747323, 21494646]

約数ペア:

[(1, 21494646), (2, 10747323), (3, 7164882), (6, 3582441), (9, 2388294), (18, 1194147), (27, 796098), (54, 398049), (81, 265366), (162, 132683), (277, 77598), (479, 44874), (554, 38799), (831, 25866), (958, 22437), (1437, 14958), (1662, 12933), (2493, 8622), (2874, 7479), (4311, 4986)]