21694530

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^2\times {\mathrm{389}}^1$

素因数の和:436

約数の個数: 96

約数和(自身を含む): 61663680

約数和(自身を除く): 39969150

約数列:

[1, 2, 3, 5, 6, 10, 11, 13, 15, 22, 26, 30, 33, 39, 55, 65, 66, 78, 110, 130, 143, 165, 169, 195, 286, 330, 338, 389, 390, 429, 507, 715, 778, 845, 858, 1014, 1167, 1430, 1690, 1859, 1945, 2145, 2334, 2535, 3718, 3890, 4279, 4290, 5057, 5070, 5577, 5835, 8558, 9295, 10114, 11154, 11670, 12837, 15171, 18590, 21395, 25285, 25674, 27885, 30342, 42790, 50570, 55627, 55770, 64185, 65741, 75855, 111254, 128370, 131482, 151710, 166881, 197223, 278135, 328705, 333762, 394446, 556270, 657410, 723151, 834405, 986115, 1446302, 1668810, 1972230, 2169453, 3615755, 4338906, 7231510, 10847265, 21694530]

約数ペア:

[(1, 21694530), (2, 10847265), (3, 7231510), (5, 4338906), (6, 3615755), (10, 2169453), (11, 1972230), (13, 1668810), (15, 1446302), (22, 986115), (26, 834405), (30, 723151), (33, 657410), (39, 556270), (55, 394446), (65, 333762), (66, 328705), (78, 278135), (110, 197223), (130, 166881), (143, 151710), (165, 131482), (169, 128370), (195, 111254), (286, 75855), (330, 65741), (338, 64185), (389, 55770), (390, 55627), (429, 50570), (507, 42790), (715, 30342), (778, 27885), (845, 25674), (858, 25285), (1014, 21395), (1167, 18590), (1430, 15171), (1690, 12837), (1859, 11670), (1945, 11154), (2145, 10114), (2334, 9295), (2535, 8558), (3718, 5835), (3890, 5577), (4279, 5070), (4290, 5057)]