21131154

素因数分解:

$2^1\times 3^2\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{137}}^1$

素因数の和:216

約数の個数: 96

約数和(自身を含む): 54250560

約数和(自身を除く): 33119406

約数列:

[1, 2, 3, 6, 9, 11, 18, 19, 22, 33, 38, 41, 57, 66, 82, 99, 114, 123, 137, 171, 198, 209, 246, 274, 342, 369, 411, 418, 451, 627, 738, 779, 822, 902, 1233, 1254, 1353, 1507, 1558, 1881, 2337, 2466, 2603, 2706, 3014, 3762, 4059, 4521, 4674, 5206, 5617, 7011, 7809, 8118, 8569, 9042, 11234, 13563, 14022, 15618, 16851, 17138, 23427, 25707, 27126, 28633, 33702, 46854, 50553, 51414, 57266, 61787, 77121, 85899, 101106, 106723, 123574, 154242, 171798, 185361, 213446, 257697, 320169, 370722, 515394, 556083, 640338, 960507, 1112166, 1173953, 1921014, 2347906, 3521859, 7043718, 10565577, 21131154]

約数ペア:

[(1, 21131154), (2, 10565577), (3, 7043718), (6, 3521859), (9, 2347906), (11, 1921014), (18, 1173953), (19, 1112166), (22, 960507), (33, 640338), (38, 556083), (41, 515394), (57, 370722), (66, 320169), (82, 257697), (99, 213446), (114, 185361), (123, 171798), (137, 154242), (171, 123574), (198, 106723), (209, 101106), (246, 85899), (274, 77121), (342, 61787), (369, 57266), (411, 51414), (418, 50553), (451, 46854), (627, 33702), (738, 28633), (779, 27126), (822, 25707), (902, 23427), (1233, 17138), (1254, 16851), (1353, 15618), (1507, 14022), (1558, 13563), (1881, 11234), (2337, 9042), (2466, 8569), (2603, 8118), (2706, 7809), (3014, 7011), (3762, 5617), (4059, 5206), (4521, 4674)]