21359616

素因数分解:

$2^{10}\times 3^1\times {\mathrm{17}}^1\times {\mathrm{409}}^1$

素因数の和:449

約数の個数: 88

約数和(自身を含む): 60427440

約数和(自身を除く): 39067824

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 17, 24, 32, 34, 48, 51, 64, 68, 96, 102, 128, 136, 192, 204, 256, 272, 384, 408, 409, 512, 544, 768, 816, 818, 1024, 1088, 1227, 1536, 1632, 1636, 2176, 2454, 3072, 3264, 3272, 4352, 4908, 6528, 6544, 6953, 8704, 9816, 13056, 13088, 13906, 17408, 19632, 20859, 26112, 26176, 27812, 39264, 41718, 52224, 52352, 55624, 78528, 83436, 104704, 111248, 157056, 166872, 209408, 222496, 314112, 333744, 418816, 444992, 628224, 667488, 889984, 1256448, 1334976, 1779968, 2669952, 3559936, 5339904, 7119872, 10679808, 21359616]

約数ペア:

[(1, 21359616), (2, 10679808), (3, 7119872), (4, 5339904), (6, 3559936), (8, 2669952), (12, 1779968), (16, 1334976), (17, 1256448), (24, 889984), (32, 667488), (34, 628224), (48, 444992), (51, 418816), (64, 333744), (68, 314112), (96, 222496), (102, 209408), (128, 166872), (136, 157056), (192, 111248), (204, 104704), (256, 83436), (272, 78528), (384, 55624), (408, 52352), (409, 52224), (512, 41718), (544, 39264), (768, 27812), (816, 26176), (818, 26112), (1024, 20859), (1088, 19632), (1227, 17408), (1536, 13906), (1632, 13088), (1636, 13056), (2176, 9816), (2454, 8704), (3072, 6953), (3264, 6544), (3272, 6528), (4352, 4908)]