21158368

素因数分解:

$2^5\times 7^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{277}}^1$

素因数の和:336

約数の個数: 96

約数和(自身を含む): 53803008

約数和(自身を除く): 32644640

約数列:

[1, 2, 4, 7, 8, 11, 14, 16, 22, 28, 31, 32, 44, 56, 62, 77, 88, 112, 124, 154, 176, 217, 224, 248, 277, 308, 341, 352, 434, 496, 554, 616, 682, 868, 992, 1108, 1232, 1364, 1736, 1939, 2216, 2387, 2464, 2728, 3047, 3472, 3878, 4432, 4774, 5456, 6094, 6944, 7756, 8587, 8864, 9548, 10912, 12188, 15512, 17174, 19096, 21329, 24376, 31024, 34348, 38192, 42658, 48752, 60109, 62048, 68696, 76384, 85316, 94457, 97504, 120218, 137392, 170632, 188914, 240436, 274784, 341264, 377828, 480872, 661199, 682528, 755656, 961744, 1322398, 1511312, 1923488, 2644796, 3022624, 5289592, 10579184, 21158368]

約数ペア:

[(1, 21158368), (2, 10579184), (4, 5289592), (7, 3022624), (8, 2644796), (11, 1923488), (14, 1511312), (16, 1322398), (22, 961744), (28, 755656), (31, 682528), (32, 661199), (44, 480872), (56, 377828), (62, 341264), (77, 274784), (88, 240436), (112, 188914), (124, 170632), (154, 137392), (176, 120218), (217, 97504), (224, 94457), (248, 85316), (277, 76384), (308, 68696), (341, 62048), (352, 60109), (434, 48752), (496, 42658), (554, 38192), (616, 34348), (682, 31024), (868, 24376), (992, 21329), (1108, 19096), (1232, 17174), (1364, 15512), (1736, 12188), (1939, 10912), (2216, 9548), (2387, 8864), (2464, 8587), (2728, 7756), (3047, 6944), (3472, 6094), (3878, 5456), (4432, 4774)]