21290092208

素因数分解:

$2^4\times 7^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{557449}}^1$

素因数の和:557506

約数の個数: 80

約数和(自身を含む): 53087078400

約数和(自身を除く): 31796986192

約数列:

[1, 2, 4, 7, 8, 11, 14, 16, 22, 28, 31, 44, 56, 62, 77, 88, 112, 124, 154, 176, 217, 248, 308, 341, 434, 496, 616, 682, 868, 1232, 1364, 1736, 2387, 2728, 3472, 4774, 5456, 9548, 19096, 38192, 557449, 1114898, 2229796, 3902143, 4459592, 6131939, 7804286, 8919184, 12263878, 15608572, 17280919, 24527756, 31217144, 34561838, 42923573, 49055512, 62434288, 69123676, 85847146, 98111024, 120966433, 138247352, 171694292, 190090109, 241932866, 276494704, 343388584, 380180218, 483865732, 686777168, 760360436, 967731464, 1330630763, 1520720872, 1935462928, 2661261526, 3041441744, 5322523052, 10645046104, 21290092208]

約数ペア:

[(1, 21290092208), (2, 10645046104), (4, 5322523052), (7, 3041441744), (8, 2661261526), (11, 1935462928), (14, 1520720872), (16, 1330630763), (22, 967731464), (28, 760360436), (31, 686777168), (44, 483865732), (56, 380180218), (62, 343388584), (77, 276494704), (88, 241932866), (112, 190090109), (124, 171694292), (154, 138247352), (176, 120966433), (217, 98111024), (248, 85847146), (308, 69123676), (341, 62434288), (434, 49055512), (496, 42923573), (616, 34561838), (682, 31217144), (868, 24527756), (1232, 17280919), (1364, 15608572), (1736, 12263878), (2387, 8919184), (2728, 7804286), (3472, 6131939), (4774, 4459592), (5456, 3902143), (9548, 2229796), (19096, 1114898), (38192, 557449)]