21170556

素因数分解:

$2^2\times 3^2\times {\mathrm{11}}^1\times {\mathrm{193}}^1\times {\mathrm{277}}^1$

素因数の和:491

約数の個数: 72

約数和(自身を含む): 58893744

約数和(自身を除く): 37723188

約数列:

[1, 2, 3, 4, 6, 9, 11, 12, 18, 22, 33, 36, 44, 66, 99, 132, 193, 198, 277, 386, 396, 554, 579, 772, 831, 1108, 1158, 1662, 1737, 2123, 2316, 2493, 3047, 3324, 3474, 4246, 4986, 6094, 6369, 6948, 8492, 9141, 9972, 12188, 12738, 18282, 19107, 25476, 27423, 36564, 38214, 53461, 54846, 76428, 106922, 109692, 160383, 213844, 320766, 481149, 588071, 641532, 962298, 1176142, 1764213, 1924596, 2352284, 3528426, 5292639, 7056852, 10585278, 21170556]

約数ペア:

[(1, 21170556), (2, 10585278), (3, 7056852), (4, 5292639), (6, 3528426), (9, 2352284), (11, 1924596), (12, 1764213), (18, 1176142), (22, 962298), (33, 641532), (36, 588071), (44, 481149), (66, 320766), (99, 213844), (132, 160383), (193, 109692), (198, 106922), (277, 76428), (386, 54846), (396, 53461), (554, 38214), (579, 36564), (772, 27423), (831, 25476), (1108, 19107), (1158, 18282), (1662, 12738), (1737, 12188), (2123, 9972), (2316, 9141), (2493, 8492), (3047, 6948), (3324, 6369), (3474, 6094), (4246, 4986)]