21247488

素因数分解:

$2^9\times 3^3\times {\mathrm{29}}^1\times {\mathrm{53}}^1$

素因数の和:109

約数の個数: 160

約数和(自身を含む): 66290400

約数和(自身を除く): 45042912

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 27, 29, 32, 36, 48, 53, 54, 58, 64, 72, 87, 96, 106, 108, 116, 128, 144, 159, 174, 192, 212, 216, 232, 256, 261, 288, 318, 348, 384, 424, 432, 464, 477, 512, 522, 576, 636, 696, 768, 783, 848, 864, 928, 954, 1044, 1152, 1272, 1392, 1431, 1536, 1537, 1566, 1696, 1728, 1856, 1908, 2088, 2304, 2544, 2784, 2862, 3074, 3132, 3392, 3456, 3712, 3816, 4176, 4608, 4611, 5088, 5568, 5724, 6148, 6264, 6784, 6912, 7424, 7632, 8352, 9222, 10176, 11136, 11448, 12296, 12528, 13568, 13824, 13833, 14848, 15264, 16704, 18444, 20352, 22272, 22896, 24592, 25056, 27136, 27666, 30528, 33408, 36888, 40704, 41499, 44544, 45792, 49184, 50112, 55332, 61056, 66816, 73776, 81408, 82998, 91584, 98368, 100224, 110664, 122112, 133632, 147552, 165996, 183168, 196736, 200448, 221328, 244224, 295104, 331992, 366336, 393472, 400896, 442656, 590208, 663984, 732672, 786944, 885312, 1180416, 1327968, 1770624, 2360832, 2655936, 3541248, 5311872, 7082496, 10623744, 21247488]

約数ペア:

[(1, 21247488), (2, 10623744), (3, 7082496), (4, 5311872), (6, 3541248), (8, 2655936), (9, 2360832), (12, 1770624), (16, 1327968), (18, 1180416), (24, 885312), (27, 786944), (29, 732672), (32, 663984), (36, 590208), (48, 442656), (53, 400896), (54, 393472), (58, 366336), (64, 331992), (72, 295104), (87, 244224), (96, 221328), (106, 200448), (108, 196736), (116, 183168), (128, 165996), (144, 147552), (159, 133632), (174, 122112), (192, 110664), (212, 100224), (216, 98368), (232, 91584), (256, 82998), (261, 81408), (288, 73776), (318, 66816), (348, 61056), (384, 55332), (424, 50112), (432, 49184), (464, 45792), (477, 44544), (512, 41499), (522, 40704), (576, 36888), (636, 33408), (696, 30528), (768, 27666), (783, 27136), (848, 25056), (864, 24592), (928, 22896), (954, 22272), (1044, 20352), (1152, 18444), (1272, 16704), (1392, 15264), (1431, 14848), (1536, 13833), (1537, 13824), (1566, 13568), (1696, 12528), (1728, 12296), (1856, 11448), (1908, 11136), (2088, 10176), (2304, 9222), (2544, 8352), (2784, 7632), (2862, 7424), (3074, 6912), (3132, 6784), (3392, 6264), (3456, 6148), (3712, 5724), (3816, 5568), (4176, 5088), (4608, 4611)]