21241036784

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{233}}^1\times {\mathrm{30469}}^1$

素因数の和:30738

約数の個数: 80

約数和(自身を含む): 47742346080

約数和(自身を除く): 26501309296

約数列:

[1, 2, 4, 8, 11, 16, 17, 22, 34, 44, 68, 88, 136, 176, 187, 233, 272, 374, 466, 748, 932, 1496, 1864, 2563, 2992, 3728, 3961, 5126, 7922, 10252, 15844, 20504, 30469, 31688, 41008, 43571, 60938, 63376, 87142, 121876, 174284, 243752, 335159, 348568, 487504, 517973, 670318, 697136, 1035946, 1340636, 2071892, 2681272, 4143784, 5362544, 5697703, 7099277, 8287568, 11395406, 14198554, 22790812, 28397108, 45581624, 56794216, 78092047, 91163248, 113588432, 120687709, 156184094, 241375418, 312368188, 482750836, 624736376, 965501672, 1249472752, 1327564799, 1931003344, 2655129598, 5310259196, 10620518392, 21241036784]

約数ペア:

[(1, 21241036784), (2, 10620518392), (4, 5310259196), (8, 2655129598), (11, 1931003344), (16, 1327564799), (17, 1249472752), (22, 965501672), (34, 624736376), (44, 482750836), (68, 312368188), (88, 241375418), (136, 156184094), (176, 120687709), (187, 113588432), (233, 91163248), (272, 78092047), (374, 56794216), (466, 45581624), (748, 28397108), (932, 22790812), (1496, 14198554), (1864, 11395406), (2563, 8287568), (2992, 7099277), (3728, 5697703), (3961, 5362544), (5126, 4143784), (7922, 2681272), (10252, 2071892), (15844, 1340636), (20504, 1035946), (30469, 697136), (31688, 670318), (41008, 517973), (43571, 487504), (60938, 348568), (63376, 335159), (87142, 243752), (121876, 174284)]