21576093

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{131}}^1$

素因数の和:206

約数の個数: 64

約数和(自身を含む): 38928384

約数和(自身を除く): 17352291

約数列:

[1, 3, 7, 11, 21, 23, 31, 33, 69, 77, 93, 131, 161, 217, 231, 253, 341, 393, 483, 651, 713, 759, 917, 1023, 1441, 1771, 2139, 2387, 2751, 3013, 4061, 4323, 4991, 5313, 7161, 7843, 9039, 10087, 12183, 14973, 21091, 23529, 28427, 30261, 33143, 44671, 54901, 63273, 85281, 93403, 99429, 134013, 164703, 232001, 280209, 312697, 653821, 696003, 938091, 1027433, 1961463, 3082299, 7192031, 21576093]

約数ペア:

[(1, 21576093), (3, 7192031), (7, 3082299), (11, 1961463), (21, 1027433), (23, 938091), (31, 696003), (33, 653821), (69, 312697), (77, 280209), (93, 232001), (131, 164703), (161, 134013), (217, 99429), (231, 93403), (253, 85281), (341, 63273), (393, 54901), (483, 44671), (651, 33143), (713, 30261), (759, 28427), (917, 23529), (1023, 21091), (1441, 14973), (1771, 12183), (2139, 10087), (2387, 9039), (2751, 7843), (3013, 7161), (4061, 5313), (4323, 4991)]