21815808

素因数分解:

$2^9\times 3^1\times 7^1\times {\mathrm{2029}}^1$

素因数の和:2057

約数の個数: 80

約数和(自身を含む): 66454080

約数和(自身を除く): 44638272

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 16, 21, 24, 28, 32, 42, 48, 56, 64, 84, 96, 112, 128, 168, 192, 224, 256, 336, 384, 448, 512, 672, 768, 896, 1344, 1536, 1792, 2029, 2688, 3584, 4058, 5376, 6087, 8116, 10752, 12174, 14203, 16232, 24348, 28406, 32464, 42609, 48696, 56812, 64928, 85218, 97392, 113624, 129856, 170436, 194784, 227248, 259712, 340872, 389568, 454496, 519424, 681744, 779136, 908992, 1038848, 1363488, 1558272, 1817984, 2726976, 3116544, 3635968, 5453952, 7271936, 10907904, 21815808]

約数ペア:

[(1, 21815808), (2, 10907904), (3, 7271936), (4, 5453952), (6, 3635968), (7, 3116544), (8, 2726976), (12, 1817984), (14, 1558272), (16, 1363488), (21, 1038848), (24, 908992), (28, 779136), (32, 681744), (42, 519424), (48, 454496), (56, 389568), (64, 340872), (84, 259712), (96, 227248), (112, 194784), (128, 170436), (168, 129856), (192, 113624), (224, 97392), (256, 85218), (336, 64928), (384, 56812), (448, 48696), (512, 42609), (672, 32464), (768, 28406), (896, 24348), (1344, 16232), (1536, 14203), (1792, 12174), (2029, 10752), (2688, 8116), (3584, 6087), (4058, 5376)]