21003669909

素因数分解:

$3^2\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{157}}^1\times {\mathrm{25237}}^1$

素因数の和:25450

約数の個数: 48

約数和(自身を含む): 33176865280

約数和(自身を除く): 12173195371

約数列:

[1, 3, 9, 19, 31, 57, 93, 157, 171, 279, 471, 589, 1413, 1767, 2983, 4867, 5301, 8949, 14601, 25237, 26847, 43803, 75711, 92473, 227133, 277419, 479503, 782347, 832257, 1438509, 2347041, 3962209, 4315527, 7041123, 11886627, 14864593, 35659881, 44593779, 75281971, 122828479, 133781337, 225845913, 368485437, 677537739, 1105456311, 2333741101, 7001223303, 21003669909]

約数ペア:

[(1, 21003669909), (3, 7001223303), (9, 2333741101), (19, 1105456311), (31, 677537739), (57, 368485437), (93, 225845913), (157, 133781337), (171, 122828479), (279, 75281971), (471, 44593779), (589, 35659881), (1413, 14864593), (1767, 11886627), (2983, 7041123), (4867, 4315527), (5301, 3962209), (8949, 2347041), (14601, 1438509), (25237, 832257), (26847, 782347), (43803, 479503), (75711, 277419), (92473, 227133)]