21109088

素因数分解:

$2^5\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{659}}^1$

素因数の和:700

約数の個数: 96

約数和(自身を含む): 55883520

約数和(自身を除く): 34774432

約数列:

[1, 2, 4, 7, 8, 11, 13, 14, 16, 22, 26, 28, 32, 44, 52, 56, 77, 88, 91, 104, 112, 143, 154, 176, 182, 208, 224, 286, 308, 352, 364, 416, 572, 616, 659, 728, 1001, 1144, 1232, 1318, 1456, 2002, 2288, 2464, 2636, 2912, 4004, 4576, 4613, 5272, 7249, 8008, 8567, 9226, 10544, 14498, 16016, 17134, 18452, 21088, 28996, 32032, 34268, 36904, 50743, 57992, 59969, 68536, 73808, 94237, 101486, 115984, 119938, 137072, 147616, 188474, 202972, 231968, 239876, 274144, 376948, 405944, 479752, 659659, 753896, 811888, 959504, 1319318, 1507792, 1623776, 1919008, 2638636, 3015584, 5277272, 10554544, 21109088]

約数ペア:

[(1, 21109088), (2, 10554544), (4, 5277272), (7, 3015584), (8, 2638636), (11, 1919008), (13, 1623776), (14, 1507792), (16, 1319318), (22, 959504), (26, 811888), (28, 753896), (32, 659659), (44, 479752), (52, 405944), (56, 376948), (77, 274144), (88, 239876), (91, 231968), (104, 202972), (112, 188474), (143, 147616), (154, 137072), (176, 119938), (182, 115984), (208, 101486), (224, 94237), (286, 73808), (308, 68536), (352, 59969), (364, 57992), (416, 50743), (572, 36904), (616, 34268), (659, 32032), (728, 28996), (1001, 21088), (1144, 18452), (1232, 17134), (1318, 16016), (1456, 14498), (2002, 10544), (2288, 9226), (2464, 8567), (2636, 8008), (2912, 7249), (4004, 5272), (4576, 4613)]