21448368

素因数分解:

$2^4\times 3^3\times {\mathrm{131}}^1\times {\mathrm{379}}^1$

素因数の和:527

約数の個数: 80

約数和(自身を含む): 62198400

約数和(自身を除く): 40750032

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 27, 36, 48, 54, 72, 108, 131, 144, 216, 262, 379, 393, 432, 524, 758, 786, 1048, 1137, 1179, 1516, 1572, 2096, 2274, 2358, 3032, 3144, 3411, 3537, 4548, 4716, 6064, 6288, 6822, 7074, 9096, 9432, 10233, 13644, 14148, 18192, 18864, 20466, 27288, 28296, 40932, 49649, 54576, 56592, 81864, 99298, 148947, 163728, 198596, 297894, 397192, 446841, 595788, 794384, 893682, 1191576, 1340523, 1787364, 2383152, 2681046, 3574728, 5362092, 7149456, 10724184, 21448368]

約数ペア:

[(1, 21448368), (2, 10724184), (3, 7149456), (4, 5362092), (6, 3574728), (8, 2681046), (9, 2383152), (12, 1787364), (16, 1340523), (18, 1191576), (24, 893682), (27, 794384), (36, 595788), (48, 446841), (54, 397192), (72, 297894), (108, 198596), (131, 163728), (144, 148947), (216, 99298), (262, 81864), (379, 56592), (393, 54576), (432, 49649), (524, 40932), (758, 28296), (786, 27288), (1048, 20466), (1137, 18864), (1179, 18192), (1516, 14148), (1572, 13644), (2096, 10233), (2274, 9432), (2358, 9096), (3032, 7074), (3144, 6822), (3411, 6288), (3537, 6064), (4548, 4716)]