21244696

素因数分解:

$2^3\times {\mathrm{11}}^2\times {\mathrm{17}}^1\times {\mathrm{1291}}^1$

素因数の和:1336

約数の個数: 48

約数和(自身を含む): 46395720

約数和(自身を除く): 25151024

約数列:

[1, 2, 4, 8, 11, 17, 22, 34, 44, 68, 88, 121, 136, 187, 242, 374, 484, 748, 968, 1291, 1496, 2057, 2582, 4114, 5164, 8228, 10328, 14201, 16456, 21947, 28402, 43894, 56804, 87788, 113608, 156211, 175576, 241417, 312422, 482834, 624844, 965668, 1249688, 1931336, 2655587, 5311174, 10622348, 21244696]

約数ペア:

[(1, 21244696), (2, 10622348), (4, 5311174), (8, 2655587), (11, 1931336), (17, 1249688), (22, 965668), (34, 624844), (44, 482834), (68, 312422), (88, 241417), (121, 175576), (136, 156211), (187, 113608), (242, 87788), (374, 56804), (484, 43894), (748, 28402), (968, 21947), (1291, 16456), (1496, 14201), (2057, 10328), (2582, 8228), (4114, 5164)]