21948990

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{5501}}^1$

素因数の和:5537

約数の個数: 64

約数和(自身を含む): 63383040

約数和(自身を除く): 41434050

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 19, 21, 30, 35, 38, 42, 57, 70, 95, 105, 114, 133, 190, 210, 266, 285, 399, 570, 665, 798, 1330, 1995, 3990, 5501, 11002, 16503, 27505, 33006, 38507, 55010, 77014, 82515, 104519, 115521, 165030, 192535, 209038, 231042, 313557, 385070, 522595, 577605, 627114, 731633, 1045190, 1155210, 1463266, 1567785, 2194899, 3135570, 3658165, 4389798, 7316330, 10974495, 21948990]

約数ペア:

[(1, 21948990), (2, 10974495), (3, 7316330), (5, 4389798), (6, 3658165), (7, 3135570), (10, 2194899), (14, 1567785), (15, 1463266), (19, 1155210), (21, 1045190), (30, 731633), (35, 627114), (38, 577605), (42, 522595), (57, 385070), (70, 313557), (95, 231042), (105, 209038), (114, 192535), (133, 165030), (190, 115521), (210, 104519), (266, 82515), (285, 77014), (399, 55010), (570, 38507), (665, 33006), (798, 27505), (1330, 16503), (1995, 11002), (3990, 5501)]