21478781736

素因数分解:

$2^3\times 3^2\times {\mathrm{43}}^1\times {\mathrm{61}}^1\times {\mathrm{113731}}^1$

素因数の和:113847

約数の個数: 96

約数和(自身を含む): 60500874720

約数和(自身を除く): 39022092984

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 36, 43, 61, 72, 86, 122, 129, 172, 183, 244, 258, 344, 366, 387, 488, 516, 549, 732, 774, 1032, 1098, 1464, 1548, 2196, 2623, 3096, 4392, 5246, 7869, 10492, 15738, 20984, 23607, 31476, 47214, 62952, 94428, 113731, 188856, 227462, 341193, 454924, 682386, 909848, 1023579, 1364772, 2047158, 2729544, 4094316, 4890433, 6937591, 8188632, 9780866, 13875182, 14671299, 19561732, 20812773, 27750364, 29342598, 39123464, 41625546, 44013897, 55500728, 58685196, 62438319, 83251092, 88027794, 117370392, 124876638, 166502184, 176055588, 249753276, 298316413, 352111176, 499506552, 596632826, 894949239, 1193265652, 1789898478, 2386531304, 2684847717, 3579796956, 5369695434, 7159593912, 10739390868, 21478781736]

約数ペア:

[(1, 21478781736), (2, 10739390868), (3, 7159593912), (4, 5369695434), (6, 3579796956), (8, 2684847717), (9, 2386531304), (12, 1789898478), (18, 1193265652), (24, 894949239), (36, 596632826), (43, 499506552), (61, 352111176), (72, 298316413), (86, 249753276), (122, 176055588), (129, 166502184), (172, 124876638), (183, 117370392), (244, 88027794), (258, 83251092), (344, 62438319), (366, 58685196), (387, 55500728), (488, 44013897), (516, 41625546), (549, 39123464), (732, 29342598), (774, 27750364), (1032, 20812773), (1098, 19561732), (1464, 14671299), (1548, 13875182), (2196, 9780866), (2623, 8188632), (3096, 6937591), (4392, 4890433), (5246, 4094316), (7869, 2729544), (10492, 2047158), (15738, 1364772), (20984, 1023579), (23607, 909848), (31476, 682386), (47214, 454924), (62952, 341193), (94428, 227462), (113731, 188856)]