21464576

素因数分解:

$2^9\times 7^1\times {\mathrm{53}}^1\times {\mathrm{113}}^1$

素因数の和:191

約数の個数: 80

約数和(自身を含む): 50380704

約数和(自身を除く): 28916128

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 53, 56, 64, 106, 112, 113, 128, 212, 224, 226, 256, 371, 424, 448, 452, 512, 742, 791, 848, 896, 904, 1484, 1582, 1696, 1792, 1808, 2968, 3164, 3392, 3584, 3616, 5936, 5989, 6328, 6784, 7232, 11872, 11978, 12656, 13568, 14464, 23744, 23956, 25312, 27136, 28928, 41923, 47488, 47912, 50624, 57856, 83846, 94976, 95824, 101248, 167692, 189952, 191648, 202496, 335384, 383296, 404992, 670768, 766592, 1341536, 1533184, 2683072, 3066368, 5366144, 10732288, 21464576]

約数ペア:

[(1, 21464576), (2, 10732288), (4, 5366144), (7, 3066368), (8, 2683072), (14, 1533184), (16, 1341536), (28, 766592), (32, 670768), (53, 404992), (56, 383296), (64, 335384), (106, 202496), (112, 191648), (113, 189952), (128, 167692), (212, 101248), (224, 95824), (226, 94976), (256, 83846), (371, 57856), (424, 50624), (448, 47912), (452, 47488), (512, 41923), (742, 28928), (791, 27136), (848, 25312), (896, 23956), (904, 23744), (1484, 14464), (1582, 13568), (1696, 12656), (1792, 11978), (1808, 11872), (2968, 7232), (3164, 6784), (3392, 6328), (3584, 5989), (3616, 5936)]