21213024

素因数分解:

$2^5\times 3^1\times 7^1\times {\mathrm{31567}}^1$

素因数の和:31587

約数の個数: 48

約数和(自身を含む): 63641088

約数和(自身を除く): 42428064

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 16, 21, 24, 28, 32, 42, 48, 56, 84, 96, 112, 168, 224, 336, 672, 31567, 63134, 94701, 126268, 189402, 220969, 252536, 378804, 441938, 505072, 662907, 757608, 883876, 1010144, 1325814, 1515216, 1767752, 2651628, 3030432, 3535504, 5303256, 7071008, 10606512, 21213024]

約数ペア:

[(1, 21213024), (2, 10606512), (3, 7071008), (4, 5303256), (6, 3535504), (7, 3030432), (8, 2651628), (12, 1767752), (14, 1515216), (16, 1325814), (21, 1010144), (24, 883876), (28, 757608), (32, 662907), (42, 505072), (48, 441938), (56, 378804), (84, 252536), (96, 220969), (112, 189402), (168, 126268), (224, 94701), (336, 63134), (672, 31567)]