21120912

素因数分解:

$2^4\times 3^4\times {\mathrm{43}}^1\times {\mathrm{379}}^1$

素因数の和:442

約数の個数: 100

約数和(自身を含む): 62716720

約数和(自身を除く): 41595808

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 27, 36, 43, 48, 54, 72, 81, 86, 108, 129, 144, 162, 172, 216, 258, 324, 344, 379, 387, 432, 516, 648, 688, 758, 774, 1032, 1137, 1161, 1296, 1516, 1548, 2064, 2274, 2322, 3032, 3096, 3411, 3483, 4548, 4644, 6064, 6192, 6822, 6966, 9096, 9288, 10233, 13644, 13932, 16297, 18192, 18576, 20466, 27288, 27864, 30699, 32594, 40932, 48891, 54576, 55728, 61398, 65188, 81864, 97782, 122796, 130376, 146673, 163728, 195564, 245592, 260752, 293346, 391128, 440019, 491184, 586692, 782256, 880038, 1173384, 1320057, 1760076, 2346768, 2640114, 3520152, 5280228, 7040304, 10560456, 21120912]

約数ペア:

[(1, 21120912), (2, 10560456), (3, 7040304), (4, 5280228), (6, 3520152), (8, 2640114), (9, 2346768), (12, 1760076), (16, 1320057), (18, 1173384), (24, 880038), (27, 782256), (36, 586692), (43, 491184), (48, 440019), (54, 391128), (72, 293346), (81, 260752), (86, 245592), (108, 195564), (129, 163728), (144, 146673), (162, 130376), (172, 122796), (216, 97782), (258, 81864), (324, 65188), (344, 61398), (379, 55728), (387, 54576), (432, 48891), (516, 40932), (648, 32594), (688, 30699), (758, 27864), (774, 27288), (1032, 20466), (1137, 18576), (1161, 18192), (1296, 16297), (1516, 13932), (1548, 13644), (2064, 10233), (2274, 9288), (2322, 9096), (3032, 6966), (3096, 6822), (3411, 6192), (3483, 6064), (4548, 4644)]