21749307952

素因数分解:

$2^4\times {\mathrm{17}}^1\times {\mathrm{61}}^1\times {\mathrm{151}}^1\times {\mathrm{8681}}^1$

素因数の和:8918

約数の個数: 80

約数和(自身を含む): 45655095744

約数和(自身を除く): 23905787792

約数列:

[1, 2, 4, 8, 16, 17, 34, 61, 68, 122, 136, 151, 244, 272, 302, 488, 604, 976, 1037, 1208, 2074, 2416, 2567, 4148, 5134, 8296, 8681, 9211, 10268, 16592, 17362, 18422, 20536, 34724, 36844, 41072, 69448, 73688, 138896, 147376, 147577, 156587, 295154, 313174, 529541, 590308, 626348, 1059082, 1180616, 1252696, 1310831, 2118164, 2361232, 2505392, 2621662, 4236328, 5243324, 8472656, 9002197, 10486648, 18004394, 20973296, 22284127, 36008788, 44568254, 72017576, 79960691, 89136508, 144035152, 159921382, 178273016, 319842764, 356546032, 639685528, 1279371056, 1359331747, 2718663494, 5437326988, 10874653976, 21749307952]

約数ペア:

[(1, 21749307952), (2, 10874653976), (4, 5437326988), (8, 2718663494), (16, 1359331747), (17, 1279371056), (34, 639685528), (61, 356546032), (68, 319842764), (122, 178273016), (136, 159921382), (151, 144035152), (244, 89136508), (272, 79960691), (302, 72017576), (488, 44568254), (604, 36008788), (976, 22284127), (1037, 20973296), (1208, 18004394), (2074, 10486648), (2416, 9002197), (2567, 8472656), (4148, 5243324), (5134, 4236328), (8296, 2621662), (8681, 2505392), (9211, 2361232), (10268, 2118164), (16592, 1310831), (17362, 1252696), (18422, 1180616), (20536, 1059082), (34724, 626348), (36844, 590308), (41072, 529541), (69448, 313174), (73688, 295154), (138896, 156587), (147376, 147577)]