21303408

素因数分解:

$2^4\times 3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{71}}^1$

素因数の和:155

約数の個数: 160

約数和(自身を含む): 68567040

約数和(自身を除く): 47263632

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 16, 19, 21, 24, 28, 38, 42, 47, 48, 56, 57, 71, 76, 84, 94, 112, 114, 133, 141, 142, 152, 168, 188, 213, 228, 266, 282, 284, 304, 329, 336, 376, 399, 426, 456, 497, 532, 564, 568, 658, 752, 798, 852, 893, 912, 987, 994, 1064, 1128, 1136, 1316, 1349, 1491, 1596, 1704, 1786, 1974, 1988, 2128, 2256, 2632, 2679, 2698, 2982, 3192, 3337, 3408, 3572, 3948, 3976, 4047, 5264, 5358, 5396, 5964, 6251, 6384, 6674, 7144, 7896, 7952, 8094, 9443, 10011, 10716, 10792, 11928, 12502, 13348, 14288, 15792, 16188, 18753, 18886, 20022, 21432, 21584, 23359, 23856, 25004, 26696, 28329, 32376, 37506, 37772, 40044, 42864, 46718, 50008, 53392, 56658, 63403, 64752, 70077, 75012, 75544, 80088, 93436, 100016, 113316, 126806, 140154, 150024, 151088, 160176, 186872, 190209, 226632, 253612, 280308, 300048, 373744, 380418, 443821, 453264, 507224, 560616, 760836, 887642, 1014448, 1121232, 1331463, 1521672, 1775284, 2662926, 3043344, 3550568, 5325852, 7101136, 10651704, 21303408]

約数ペア:

[(1, 21303408), (2, 10651704), (3, 7101136), (4, 5325852), (6, 3550568), (7, 3043344), (8, 2662926), (12, 1775284), (14, 1521672), (16, 1331463), (19, 1121232), (21, 1014448), (24, 887642), (28, 760836), (38, 560616), (42, 507224), (47, 453264), (48, 443821), (56, 380418), (57, 373744), (71, 300048), (76, 280308), (84, 253612), (94, 226632), (112, 190209), (114, 186872), (133, 160176), (141, 151088), (142, 150024), (152, 140154), (168, 126806), (188, 113316), (213, 100016), (228, 93436), (266, 80088), (282, 75544), (284, 75012), (304, 70077), (329, 64752), (336, 63403), (376, 56658), (399, 53392), (426, 50008), (456, 46718), (497, 42864), (532, 40044), (564, 37772), (568, 37506), (658, 32376), (752, 28329), (798, 26696), (852, 25004), (893, 23856), (912, 23359), (987, 21584), (994, 21432), (1064, 20022), (1128, 18886), (1136, 18753), (1316, 16188), (1349, 15792), (1491, 14288), (1596, 13348), (1704, 12502), (1786, 11928), (1974, 10792), (1988, 10716), (2128, 10011), (2256, 9443), (2632, 8094), (2679, 7952), (2698, 7896), (2982, 7144), (3192, 6674), (3337, 6384), (3408, 6251), (3572, 5964), (3948, 5396), (3976, 5358), (4047, 5264)]