21490943188

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{1301}}^1\times {\mathrm{28879}}^1$

素因数の和:30208

約数の個数: 48

約数和(自身を含む): 44219669760

約数和(自身を除く): 22728726572

約数列:

[1, 2, 4, 11, 13, 22, 26, 44, 52, 143, 286, 572, 1301, 2602, 5204, 14311, 16913, 28622, 28879, 33826, 57244, 57758, 67652, 115516, 186043, 317669, 372086, 375427, 635338, 744172, 750854, 1270676, 1501708, 4129697, 8259394, 16518788, 37571579, 75143158, 150286316, 413287369, 488430527, 826574738, 976861054, 1653149476, 1953722108, 5372735797, 10745471594, 21490943188]

約数ペア:

[(1, 21490943188), (2, 10745471594), (4, 5372735797), (11, 1953722108), (13, 1653149476), (22, 976861054), (26, 826574738), (44, 488430527), (52, 413287369), (143, 150286316), (286, 75143158), (572, 37571579), (1301, 16518788), (2602, 8259394), (5204, 4129697), (14311, 1501708), (16913, 1270676), (28622, 750854), (28879, 744172), (33826, 635338), (57244, 375427), (57758, 372086), (67652, 317669), (115516, 186043)]