21136626

素因数分解:

$2^1\times 3^6\times 7^1\times {\mathrm{19}}^1\times {\mathrm{109}}^1$

素因数の和:155

約数の個数: 112

約数和(自身を含む): 57710400

約数和(自身を除く): 36573774

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 19, 21, 27, 38, 42, 54, 57, 63, 81, 109, 114, 126, 133, 162, 171, 189, 218, 243, 266, 327, 342, 378, 399, 486, 513, 567, 654, 729, 763, 798, 981, 1026, 1134, 1197, 1458, 1526, 1539, 1701, 1962, 2071, 2289, 2394, 2943, 3078, 3402, 3591, 4142, 4578, 4617, 5103, 5886, 6213, 6867, 7182, 8829, 9234, 10206, 10773, 12426, 13734, 13851, 14497, 17658, 18639, 20601, 21546, 26487, 27702, 28994, 32319, 37278, 41202, 43491, 52974, 55917, 61803, 64638, 79461, 86982, 96957, 111834, 123606, 130473, 158922, 167751, 185409, 193914, 260946, 335502, 370818, 391419, 503253, 556227, 782838, 1006506, 1112454, 1174257, 1509759, 2348514, 3019518, 3522771, 7045542, 10568313, 21136626]

約数ペア:

[(1, 21136626), (2, 10568313), (3, 7045542), (6, 3522771), (7, 3019518), (9, 2348514), (14, 1509759), (18, 1174257), (19, 1112454), (21, 1006506), (27, 782838), (38, 556227), (42, 503253), (54, 391419), (57, 370818), (63, 335502), (81, 260946), (109, 193914), (114, 185409), (126, 167751), (133, 158922), (162, 130473), (171, 123606), (189, 111834), (218, 96957), (243, 86982), (266, 79461), (327, 64638), (342, 61803), (378, 55917), (399, 52974), (486, 43491), (513, 41202), (567, 37278), (654, 32319), (729, 28994), (763, 27702), (798, 26487), (981, 21546), (1026, 20601), (1134, 18639), (1197, 17658), (1458, 14497), (1526, 13851), (1539, 13734), (1701, 12426), (1962, 10773), (2071, 10206), (2289, 9234), (2394, 8829), (2943, 7182), (3078, 6867), (3402, 6213), (3591, 5886), (4142, 5103), (4578, 4617)]