21437598784

素因数分解:

$2^6\times 7^3\times {\mathrm{307}}^1\times {\mathrm{3181}}^1$

素因数の和:3521

約数の個数: 112

約数和(自身を含む): 49786844800

約数和(自身を除く): 28349246016

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 49, 56, 64, 98, 112, 196, 224, 307, 343, 392, 448, 614, 686, 784, 1228, 1372, 1568, 2149, 2456, 2744, 3136, 3181, 4298, 4912, 5488, 6362, 8596, 9824, 10976, 12724, 15043, 17192, 19648, 21952, 22267, 25448, 30086, 34384, 44534, 50896, 60172, 68768, 89068, 101792, 105301, 120344, 137536, 155869, 178136, 203584, 210602, 240688, 311738, 356272, 421204, 481376, 623476, 712544, 842408, 962752, 976567, 1091083, 1246952, 1425088, 1684816, 1953134, 2182166, 2493904, 3369632, 3906268, 4364332, 4987808, 6739264, 6835969, 7812536, 8728664, 9975616, 13671938, 15625072, 17457328, 27343876, 31250144, 34914656, 47851783, 54687752, 62500288, 69829312, 95703566, 109375504, 191407132, 218751008, 334962481, 382814264, 437502016, 669924962, 765628528, 1339849924, 1531257056, 2679699848, 3062514112, 5359399696, 10718799392, 21437598784]

約数ペア:

[(1, 21437598784), (2, 10718799392), (4, 5359399696), (7, 3062514112), (8, 2679699848), (14, 1531257056), (16, 1339849924), (28, 765628528), (32, 669924962), (49, 437502016), (56, 382814264), (64, 334962481), (98, 218751008), (112, 191407132), (196, 109375504), (224, 95703566), (307, 69829312), (343, 62500288), (392, 54687752), (448, 47851783), (614, 34914656), (686, 31250144), (784, 27343876), (1228, 17457328), (1372, 15625072), (1568, 13671938), (2149, 9975616), (2456, 8728664), (2744, 7812536), (3136, 6835969), (3181, 6739264), (4298, 4987808), (4912, 4364332), (5488, 3906268), (6362, 3369632), (8596, 2493904), (9824, 2182166), (10976, 1953134), (12724, 1684816), (15043, 1425088), (17192, 1246952), (19648, 1091083), (21952, 976567), (22267, 962752), (25448, 842408), (30086, 712544), (34384, 623476), (44534, 481376), (50896, 421204), (60172, 356272), (68768, 311738), (89068, 240688), (101792, 210602), (105301, 203584), (120344, 178136), (137536, 155869)]