21915671140

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{173}}^1\times {\mathrm{211}}^1\times {\mathrm{2729}}^1$

素因数の和:3133

約数の個数: 96

約数和(自身を含む): 50754936960

約数和(自身を除く): 28839265820

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 173, 211, 220, 346, 422, 692, 844, 865, 1055, 1730, 1903, 2110, 2321, 2729, 3460, 3806, 4220, 4642, 5458, 7612, 9284, 9515, 10916, 11605, 13645, 19030, 23210, 27290, 30019, 36503, 38060, 46420, 54580, 60038, 73006, 120076, 146012, 150095, 182515, 300190, 365030, 401533, 472117, 575819, 600380, 730060, 803066, 944234, 1151638, 1606132, 1888468, 2007665, 2303276, 2360585, 2879095, 4015330, 4721170, 5193287, 5758190, 6334009, 8030660, 9442340, 10386574, 11516380, 12668018, 20773148, 25336036, 25966435, 31670045, 51932870, 63340090, 99616687, 103865740, 126680180, 199233374, 398466748, 498083435, 996166870, 1095783557, 1992333740, 2191567114, 4383134228, 5478917785, 10957835570, 21915671140]

約数ペア:

[(1, 21915671140), (2, 10957835570), (4, 5478917785), (5, 4383134228), (10, 2191567114), (11, 1992333740), (20, 1095783557), (22, 996166870), (44, 498083435), (55, 398466748), (110, 199233374), (173, 126680180), (211, 103865740), (220, 99616687), (346, 63340090), (422, 51932870), (692, 31670045), (844, 25966435), (865, 25336036), (1055, 20773148), (1730, 12668018), (1903, 11516380), (2110, 10386574), (2321, 9442340), (2729, 8030660), (3460, 6334009), (3806, 5758190), (4220, 5193287), (4642, 4721170), (5458, 4015330), (7612, 2879095), (9284, 2360585), (9515, 2303276), (10916, 2007665), (11605, 1888468), (13645, 1606132), (19030, 1151638), (23210, 944234), (27290, 803066), (30019, 730060), (36503, 600380), (38060, 575819), (46420, 472117), (54580, 401533), (60038, 365030), (73006, 300190), (120076, 182515), (146012, 150095)]