21100128

素因数分解:

$2^5\times 3^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{1847}}^1$

素因数の和:1884

約数の個数: 96

約数和(自身を含む): 67060224

約数和(自身を除く): 45960096

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 16, 17, 21, 24, 28, 32, 34, 42, 48, 51, 56, 68, 84, 96, 102, 112, 119, 136, 168, 204, 224, 238, 272, 336, 357, 408, 476, 544, 672, 714, 816, 952, 1428, 1632, 1847, 1904, 2856, 3694, 3808, 5541, 5712, 7388, 11082, 11424, 12929, 14776, 22164, 25858, 29552, 31399, 38787, 44328, 51716, 59104, 62798, 77574, 88656, 94197, 103432, 125596, 155148, 177312, 188394, 206864, 219793, 251192, 310296, 376788, 413728, 439586, 502384, 620592, 659379, 753576, 879172, 1004768, 1241184, 1318758, 1507152, 1758344, 2637516, 3014304, 3516688, 5275032, 7033376, 10550064, 21100128]

約数ペア:

[(1, 21100128), (2, 10550064), (3, 7033376), (4, 5275032), (6, 3516688), (7, 3014304), (8, 2637516), (12, 1758344), (14, 1507152), (16, 1318758), (17, 1241184), (21, 1004768), (24, 879172), (28, 753576), (32, 659379), (34, 620592), (42, 502384), (48, 439586), (51, 413728), (56, 376788), (68, 310296), (84, 251192), (96, 219793), (102, 206864), (112, 188394), (119, 177312), (136, 155148), (168, 125596), (204, 103432), (224, 94197), (238, 88656), (272, 77574), (336, 62798), (357, 59104), (408, 51716), (476, 44328), (544, 38787), (672, 31399), (714, 29552), (816, 25858), (952, 22164), (1428, 14776), (1632, 12929), (1847, 11424), (1904, 11082), (2856, 7388), (3694, 5712), (3808, 5541)]