21697032

素因数分解:

$2^3\times 3^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{71}}^1\times {\mathrm{107}}^1$

素因数の和:211

約数の個数: 128

約数和(自身を含む): 67184640

約数和(自身を除く): 45487608

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 17, 21, 24, 28, 34, 42, 51, 56, 68, 71, 84, 102, 107, 119, 136, 142, 168, 204, 213, 214, 238, 284, 321, 357, 408, 426, 428, 476, 497, 568, 642, 714, 749, 852, 856, 952, 994, 1207, 1284, 1428, 1491, 1498, 1704, 1819, 1988, 2247, 2414, 2568, 2856, 2982, 2996, 3621, 3638, 3976, 4494, 4828, 5457, 5964, 5992, 7242, 7276, 7597, 8449, 8988, 9656, 10914, 11928, 12733, 14484, 14552, 15194, 16898, 17976, 21828, 22791, 25347, 25466, 28968, 30388, 33796, 38199, 43656, 45582, 50694, 50932, 53179, 60776, 67592, 76398, 91164, 101388, 101864, 106358, 129149, 152796, 159537, 182328, 202776, 212716, 258298, 305592, 319074, 387447, 425432, 516596, 638148, 774894, 904043, 1033192, 1276296, 1549788, 1808086, 2712129, 3099576, 3616172, 5424258, 7232344, 10848516, 21697032]

約数ペア:

[(1, 21697032), (2, 10848516), (3, 7232344), (4, 5424258), (6, 3616172), (7, 3099576), (8, 2712129), (12, 1808086), (14, 1549788), (17, 1276296), (21, 1033192), (24, 904043), (28, 774894), (34, 638148), (42, 516596), (51, 425432), (56, 387447), (68, 319074), (71, 305592), (84, 258298), (102, 212716), (107, 202776), (119, 182328), (136, 159537), (142, 152796), (168, 129149), (204, 106358), (213, 101864), (214, 101388), (238, 91164), (284, 76398), (321, 67592), (357, 60776), (408, 53179), (426, 50932), (428, 50694), (476, 45582), (497, 43656), (568, 38199), (642, 33796), (714, 30388), (749, 28968), (852, 25466), (856, 25347), (952, 22791), (994, 21828), (1207, 17976), (1284, 16898), (1428, 15194), (1491, 14552), (1498, 14484), (1704, 12733), (1819, 11928), (1988, 10914), (2247, 9656), (2414, 8988), (2568, 8449), (2856, 7597), (2982, 7276), (2996, 7242), (3621, 5992), (3638, 5964), (3976, 5457), (4494, 4828)]