21969948

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{59}}^1$

素因数の和:128

約数の個数: 192

約数和(自身を含む): 72253440

約数和(自身を除く): 50283492

約数列:

[1, 2, 3, 4, 6, 7, 11, 12, 13, 14, 21, 22, 26, 28, 31, 33, 39, 42, 44, 52, 59, 62, 66, 77, 78, 84, 91, 93, 118, 124, 132, 143, 154, 156, 177, 182, 186, 217, 231, 236, 273, 286, 308, 341, 354, 364, 372, 403, 413, 429, 434, 462, 546, 572, 649, 651, 682, 708, 767, 806, 826, 858, 868, 924, 1001, 1023, 1092, 1209, 1239, 1298, 1302, 1364, 1534, 1612, 1652, 1716, 1829, 1947, 2002, 2046, 2301, 2387, 2418, 2478, 2596, 2604, 2821, 3003, 3068, 3658, 3894, 4004, 4092, 4433, 4543, 4602, 4774, 4836, 4956, 5369, 5487, 5642, 6006, 7161, 7316, 7788, 8437, 8463, 8866, 9086, 9204, 9548, 10738, 10974, 11284, 12012, 12803, 13299, 13629, 14322, 16107, 16874, 16926, 17732, 18172, 20119, 21476, 21948, 23777, 25311, 25606, 26598, 27258, 28644, 31031, 32214, 33748, 33852, 38409, 40238, 47554, 50622, 51212, 53196, 54516, 59059, 60357, 62062, 64428, 71331, 76818, 80476, 93093, 95108, 101244, 118118, 120714, 124124, 140833, 142662, 153636, 166439, 177177, 186186, 236236, 241428, 261547, 281666, 285324, 332878, 354354, 372372, 422499, 499317, 523094, 563332, 665756, 708708, 784641, 844998, 998634, 1046188, 1569282, 1689996, 1830829, 1997268, 3138564, 3661658, 5492487, 7323316, 10984974, 21969948]

約数ペア:

[(1, 21969948), (2, 10984974), (3, 7323316), (4, 5492487), (6, 3661658), (7, 3138564), (11, 1997268), (12, 1830829), (13, 1689996), (14, 1569282), (21, 1046188), (22, 998634), (26, 844998), (28, 784641), (31, 708708), (33, 665756), (39, 563332), (42, 523094), (44, 499317), (52, 422499), (59, 372372), (62, 354354), (66, 332878), (77, 285324), (78, 281666), (84, 261547), (91, 241428), (93, 236236), (118, 186186), (124, 177177), (132, 166439), (143, 153636), (154, 142662), (156, 140833), (177, 124124), (182, 120714), (186, 118118), (217, 101244), (231, 95108), (236, 93093), (273, 80476), (286, 76818), (308, 71331), (341, 64428), (354, 62062), (364, 60357), (372, 59059), (403, 54516), (413, 53196), (429, 51212), (434, 50622), (462, 47554), (546, 40238), (572, 38409), (649, 33852), (651, 33748), (682, 32214), (708, 31031), (767, 28644), (806, 27258), (826, 26598), (858, 25606), (868, 25311), (924, 23777), (1001, 21948), (1023, 21476), (1092, 20119), (1209, 18172), (1239, 17732), (1298, 16926), (1302, 16874), (1364, 16107), (1534, 14322), (1612, 13629), (1652, 13299), (1716, 12803), (1829, 12012), (1947, 11284), (2002, 10974), (2046, 10738), (2301, 9548), (2387, 9204), (2418, 9086), (2478, 8866), (2596, 8463), (2604, 8437), (2821, 7788), (3003, 7316), (3068, 7161), (3658, 6006), (3894, 5642), (4004, 5487), (4092, 5369), (4433, 4956), (4543, 4836), (4602, 4774)]