21164766

素因数分解:

$2^1\times 3^1\times 7^2\times {\mathrm{193}}^1\times {\mathrm{373}}^1$

素因数の和:585

約数の個数: 48

約数和(自身を含む): 49628304

約数和(自身を除く): 28463538

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 49, 98, 147, 193, 294, 373, 386, 579, 746, 1119, 1158, 1351, 2238, 2611, 2702, 4053, 5222, 7833, 8106, 9457, 15666, 18277, 18914, 28371, 36554, 54831, 56742, 71989, 109662, 143978, 215967, 431934, 503923, 1007846, 1511769, 3023538, 3527461, 7054922, 10582383, 21164766]

約数ペア:

[(1, 21164766), (2, 10582383), (3, 7054922), (6, 3527461), (7, 3023538), (14, 1511769), (21, 1007846), (42, 503923), (49, 431934), (98, 215967), (147, 143978), (193, 109662), (294, 71989), (373, 56742), (386, 54831), (579, 36554), (746, 28371), (1119, 18914), (1158, 18277), (1351, 15666), (2238, 9457), (2611, 8106), (2702, 7833), (4053, 5222)]