21089068

素因数分解:

$2^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{229}}^1$

素因数の和:287

約数の個数: 96

約数和(自身を含む): 51932160

約数和(自身を除く): 30843092

約数列:

[1, 2, 4, 7, 11, 13, 14, 22, 23, 26, 28, 44, 46, 52, 77, 91, 92, 143, 154, 161, 182, 229, 253, 286, 299, 308, 322, 364, 458, 506, 572, 598, 644, 916, 1001, 1012, 1196, 1603, 1771, 2002, 2093, 2519, 2977, 3206, 3289, 3542, 4004, 4186, 5038, 5267, 5954, 6412, 6578, 7084, 8372, 10076, 10534, 11908, 13156, 17633, 20839, 21068, 23023, 32747, 35266, 36869, 41678, 46046, 57937, 65494, 68471, 70532, 73738, 83356, 92092, 115874, 130988, 136942, 147476, 229229, 231748, 273884, 405559, 458458, 479297, 753181, 811118, 916916, 958594, 1506362, 1622236, 1917188, 3012724, 5272267, 10544534, 21089068]

約数ペア:

[(1, 21089068), (2, 10544534), (4, 5272267), (7, 3012724), (11, 1917188), (13, 1622236), (14, 1506362), (22, 958594), (23, 916916), (26, 811118), (28, 753181), (44, 479297), (46, 458458), (52, 405559), (77, 273884), (91, 231748), (92, 229229), (143, 147476), (154, 136942), (161, 130988), (182, 115874), (229, 92092), (253, 83356), (286, 73738), (299, 70532), (308, 68471), (322, 65494), (364, 57937), (458, 46046), (506, 41678), (572, 36869), (598, 35266), (644, 32747), (916, 23023), (1001, 21068), (1012, 20839), (1196, 17633), (1603, 13156), (1771, 11908), (2002, 10534), (2093, 10076), (2519, 8372), (2977, 7084), (3206, 6578), (3289, 6412), (3542, 5954), (4004, 5267), (4186, 5038)]