21324156

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{431}}^1$

素因数の和:495

約数の個数: 96

約数和(自身を含む): 61931520

約数和(自身を除く): 40607364

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 19, 21, 28, 31, 38, 42, 57, 62, 76, 84, 93, 114, 124, 133, 186, 217, 228, 266, 372, 399, 431, 434, 532, 589, 651, 798, 862, 868, 1178, 1293, 1302, 1596, 1724, 1767, 2356, 2586, 2604, 3017, 3534, 4123, 5172, 6034, 7068, 8189, 8246, 9051, 12068, 12369, 13361, 16378, 16492, 18102, 24567, 24738, 26722, 32756, 36204, 40083, 49134, 49476, 53444, 57323, 80166, 93527, 98268, 114646, 160332, 171969, 187054, 229292, 253859, 280581, 343938, 374108, 507718, 561162, 687876, 761577, 1015436, 1122324, 1523154, 1777013, 3046308, 3554026, 5331039, 7108052, 10662078, 21324156]

約数ペア:

[(1, 21324156), (2, 10662078), (3, 7108052), (4, 5331039), (6, 3554026), (7, 3046308), (12, 1777013), (14, 1523154), (19, 1122324), (21, 1015436), (28, 761577), (31, 687876), (38, 561162), (42, 507718), (57, 374108), (62, 343938), (76, 280581), (84, 253859), (93, 229292), (114, 187054), (124, 171969), (133, 160332), (186, 114646), (217, 98268), (228, 93527), (266, 80166), (372, 57323), (399, 53444), (431, 49476), (434, 49134), (532, 40083), (589, 36204), (651, 32756), (798, 26722), (862, 24738), (868, 24567), (1178, 18102), (1293, 16492), (1302, 16378), (1596, 13361), (1724, 12369), (1767, 12068), (2356, 9051), (2586, 8246), (2604, 8189), (3017, 7068), (3534, 6034), (4123, 5172)]