21808752

素因数分解:

$2^4\times 3^1\times 7^1\times {\mathrm{47}}^1\times {\mathrm{1381}}^1$

素因数の和:1446

約数の個数: 80

約数和(自身を含む): 65805312

約数和(自身を除く): 43996560

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 16, 21, 24, 28, 42, 47, 48, 56, 84, 94, 112, 141, 168, 188, 282, 329, 336, 376, 564, 658, 752, 987, 1128, 1316, 1381, 1974, 2256, 2632, 2762, 3948, 4143, 5264, 5524, 7896, 8286, 9667, 11048, 15792, 16572, 19334, 22096, 29001, 33144, 38668, 58002, 64907, 66288, 77336, 116004, 129814, 154672, 194721, 232008, 259628, 389442, 454349, 464016, 519256, 778884, 908698, 1038512, 1363047, 1557768, 1817396, 2726094, 3115536, 3634792, 5452188, 7269584, 10904376, 21808752]

約数ペア:

[(1, 21808752), (2, 10904376), (3, 7269584), (4, 5452188), (6, 3634792), (7, 3115536), (8, 2726094), (12, 1817396), (14, 1557768), (16, 1363047), (21, 1038512), (24, 908698), (28, 778884), (42, 519256), (47, 464016), (48, 454349), (56, 389442), (84, 259628), (94, 232008), (112, 194721), (141, 154672), (168, 129814), (188, 116004), (282, 77336), (329, 66288), (336, 64907), (376, 58002), (564, 38668), (658, 33144), (752, 29001), (987, 22096), (1128, 19334), (1316, 16572), (1381, 15792), (1974, 11048), (2256, 9667), (2632, 8286), (2762, 7896), (3948, 5524), (4143, 5264)]