21055392

素因数分解:

$2^5\times 3^2\times {\mathrm{29}}^1\times {\mathrm{2521}}^1$

素因数の和:2566

約数の個数: 72

約数和(自身を含む): 61965540

約数和(自身を除く): 40910148

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 29, 32, 36, 48, 58, 72, 87, 96, 116, 144, 174, 232, 261, 288, 348, 464, 522, 696, 928, 1044, 1392, 2088, 2521, 2784, 4176, 5042, 7563, 8352, 10084, 15126, 20168, 22689, 30252, 40336, 45378, 60504, 73109, 80672, 90756, 121008, 146218, 181512, 219327, 242016, 292436, 363024, 438654, 584872, 657981, 726048, 877308, 1169744, 1315962, 1754616, 2339488, 2631924, 3509232, 5263848, 7018464, 10527696, 21055392]

約数ペア:

[(1, 21055392), (2, 10527696), (3, 7018464), (4, 5263848), (6, 3509232), (8, 2631924), (9, 2339488), (12, 1754616), (16, 1315962), (18, 1169744), (24, 877308), (29, 726048), (32, 657981), (36, 584872), (48, 438654), (58, 363024), (72, 292436), (87, 242016), (96, 219327), (116, 181512), (144, 146218), (174, 121008), (232, 90756), (261, 80672), (288, 73109), (348, 60504), (464, 45378), (522, 40336), (696, 30252), (928, 22689), (1044, 20168), (1392, 15126), (2088, 10084), (2521, 8352), (2784, 7563), (4176, 5042)]