21572376

素因数分解:

$2^3\times 3^1\times 7^1\times {\mathrm{73}}^1\times {\mathrm{1759}}^1$

素因数の和:1848

約数の個数: 64

約数和(自身を含む): 62515200

約数和(自身を除く): 40942824

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 21, 24, 28, 42, 56, 73, 84, 146, 168, 219, 292, 438, 511, 584, 876, 1022, 1533, 1752, 1759, 2044, 3066, 3518, 4088, 5277, 6132, 7036, 10554, 12264, 12313, 14072, 21108, 24626, 36939, 42216, 49252, 73878, 98504, 128407, 147756, 256814, 295512, 385221, 513628, 770442, 898849, 1027256, 1540884, 1797698, 2696547, 3081768, 3595396, 5393094, 7190792, 10786188, 21572376]

約数ペア:

[(1, 21572376), (2, 10786188), (3, 7190792), (4, 5393094), (6, 3595396), (7, 3081768), (8, 2696547), (12, 1797698), (14, 1540884), (21, 1027256), (24, 898849), (28, 770442), (42, 513628), (56, 385221), (73, 295512), (84, 256814), (146, 147756), (168, 128407), (219, 98504), (292, 73878), (438, 49252), (511, 42216), (584, 36939), (876, 24626), (1022, 21108), (1533, 14072), (1752, 12313), (1759, 12264), (2044, 10554), (3066, 7036), (3518, 6132), (4088, 5277)]