21324732

素因数分解:

$2^2\times 3^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{17}}^2\times {\mathrm{43}}^1$

素因数の和:108

約数の個数: 144

約数和(自身を含む): 63541632

約数和(自身を除く): 42216900

約数列:

[1, 2, 3, 4, 6, 11, 12, 13, 17, 22, 26, 33, 34, 39, 43, 44, 51, 52, 66, 68, 78, 86, 102, 129, 132, 143, 156, 172, 187, 204, 221, 258, 286, 289, 374, 429, 442, 473, 516, 559, 561, 572, 578, 663, 731, 748, 858, 867, 884, 946, 1118, 1122, 1156, 1326, 1419, 1462, 1677, 1716, 1734, 1892, 2193, 2236, 2244, 2431, 2652, 2838, 2924, 3179, 3354, 3468, 3757, 4386, 4862, 5676, 6149, 6358, 6708, 7293, 7514, 8041, 8772, 9503, 9537, 9724, 11271, 12298, 12427, 12716, 14586, 15028, 16082, 18447, 19006, 19074, 22542, 24123, 24596, 24854, 28509, 29172, 32164, 36894, 37281, 38012, 38148, 41327, 45084, 48246, 49708, 57018, 73788, 74562, 82654, 96492, 104533, 114036, 123981, 136697, 149124, 161551, 165308, 209066, 247962, 273394, 313599, 323102, 410091, 418132, 484653, 495924, 546788, 627198, 646204, 820182, 969306, 1254396, 1640364, 1777061, 1938612, 3554122, 5331183, 7108244, 10662366, 21324732]

約数ペア:

[(1, 21324732), (2, 10662366), (3, 7108244), (4, 5331183), (6, 3554122), (11, 1938612), (12, 1777061), (13, 1640364), (17, 1254396), (22, 969306), (26, 820182), (33, 646204), (34, 627198), (39, 546788), (43, 495924), (44, 484653), (51, 418132), (52, 410091), (66, 323102), (68, 313599), (78, 273394), (86, 247962), (102, 209066), (129, 165308), (132, 161551), (143, 149124), (156, 136697), (172, 123981), (187, 114036), (204, 104533), (221, 96492), (258, 82654), (286, 74562), (289, 73788), (374, 57018), (429, 49708), (442, 48246), (473, 45084), (516, 41327), (559, 38148), (561, 38012), (572, 37281), (578, 36894), (663, 32164), (731, 29172), (748, 28509), (858, 24854), (867, 24596), (884, 24123), (946, 22542), (1118, 19074), (1122, 19006), (1156, 18447), (1326, 16082), (1419, 15028), (1462, 14586), (1677, 12716), (1716, 12427), (1734, 12298), (1892, 11271), (2193, 9724), (2236, 9537), (2244, 9503), (2431, 8772), (2652, 8041), (2838, 7514), (2924, 7293), (3179, 6708), (3354, 6358), (3468, 6149), (3757, 5676), (4386, 4862)]