21223664

素因数分解:

$2^4\times 7^2\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{107}}^1$

素因数の和:163

約数の個数: 120

約数和(自身を含む): 54960768

約数和(自身を除く): 33737104

約数列:

[1, 2, 4, 7, 8, 11, 14, 16, 22, 23, 28, 44, 46, 49, 56, 77, 88, 92, 98, 107, 112, 154, 161, 176, 184, 196, 214, 253, 308, 322, 368, 392, 428, 506, 539, 616, 644, 749, 784, 856, 1012, 1078, 1127, 1177, 1232, 1288, 1498, 1712, 1771, 2024, 2156, 2254, 2354, 2461, 2576, 2996, 3542, 4048, 4312, 4508, 4708, 4922, 5243, 5992, 7084, 8239, 8624, 9016, 9416, 9844, 10486, 11984, 12397, 14168, 16478, 17227, 18032, 18832, 19688, 20972, 24794, 27071, 28336, 32956, 34454, 39376, 41944, 49588, 54142, 57673, 65912, 68908, 83888, 99176, 108284, 115346, 120589, 131824, 137816, 189497, 198352, 216568, 230692, 241178, 275632, 378994, 433136, 461384, 482356, 757988, 922768, 964712, 1326479, 1515976, 1929424, 2652958, 3031952, 5305916, 10611832, 21223664]

約数ペア:

[(1, 21223664), (2, 10611832), (4, 5305916), (7, 3031952), (8, 2652958), (11, 1929424), (14, 1515976), (16, 1326479), (22, 964712), (23, 922768), (28, 757988), (44, 482356), (46, 461384), (49, 433136), (56, 378994), (77, 275632), (88, 241178), (92, 230692), (98, 216568), (107, 198352), (112, 189497), (154, 137816), (161, 131824), (176, 120589), (184, 115346), (196, 108284), (214, 99176), (253, 83888), (308, 68908), (322, 65912), (368, 57673), (392, 54142), (428, 49588), (506, 41944), (539, 39376), (616, 34454), (644, 32956), (749, 28336), (784, 27071), (856, 24794), (1012, 20972), (1078, 19688), (1127, 18832), (1177, 18032), (1232, 17227), (1288, 16478), (1498, 14168), (1712, 12397), (1771, 11984), (2024, 10486), (2156, 9844), (2254, 9416), (2354, 9016), (2461, 8624), (2576, 8239), (2996, 7084), (3542, 5992), (4048, 5243), (4312, 4922), (4508, 4708)]