21804354

素因数分解:

$2^1\times 3^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{197}}^1$

素因数の和:272

約数の個数: 96

約数和(自身を含む): 57081024

約数和(自身を除く): 35276670

約数列:

[1, 2, 3, 6, 9, 11, 13, 18, 22, 26, 33, 39, 43, 66, 78, 86, 99, 117, 129, 143, 197, 198, 234, 258, 286, 387, 394, 429, 473, 559, 591, 774, 858, 946, 1118, 1182, 1287, 1419, 1677, 1773, 2167, 2561, 2574, 2838, 3354, 3546, 4257, 4334, 5031, 5122, 6149, 6501, 7683, 8471, 8514, 10062, 12298, 13002, 15366, 16942, 18447, 19503, 23049, 25413, 28171, 36894, 39006, 46098, 50826, 55341, 56342, 76239, 84513, 93181, 110123, 110682, 152478, 169026, 186362, 220246, 253539, 279543, 330369, 507078, 559086, 660738, 838629, 991107, 1211353, 1677258, 1982214, 2422706, 3634059, 7268118, 10902177, 21804354]

約数ペア:

[(1, 21804354), (2, 10902177), (3, 7268118), (6, 3634059), (9, 2422706), (11, 1982214), (13, 1677258), (18, 1211353), (22, 991107), (26, 838629), (33, 660738), (39, 559086), (43, 507078), (66, 330369), (78, 279543), (86, 253539), (99, 220246), (117, 186362), (129, 169026), (143, 152478), (197, 110682), (198, 110123), (234, 93181), (258, 84513), (286, 76239), (387, 56342), (394, 55341), (429, 50826), (473, 46098), (559, 39006), (591, 36894), (774, 28171), (858, 25413), (946, 23049), (1118, 19503), (1182, 18447), (1287, 16942), (1419, 15366), (1677, 13002), (1773, 12298), (2167, 10062), (2561, 8514), (2574, 8471), (2838, 7683), (3354, 6501), (3546, 6149), (4257, 5122), (4334, 5031)]