21167441920

素因数分解:

$2^{11}\times 5^1\times {\mathrm{107}}^1\times {\mathrm{19319}}^1$

素因数の和:19453

約数の個数: 96

約数和(自身を含む): 51266779200

約数和(自身を除く): 30099337280

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 107, 128, 160, 214, 256, 320, 428, 512, 535, 640, 856, 1024, 1070, 1280, 1712, 2048, 2140, 2560, 3424, 4280, 5120, 6848, 8560, 10240, 13696, 17120, 19319, 27392, 34240, 38638, 54784, 68480, 77276, 96595, 109568, 136960, 154552, 193190, 219136, 273920, 309104, 386380, 547840, 618208, 772760, 1095680, 1236416, 1545520, 2067133, 2472832, 3091040, 4134266, 4945664, 6182080, 8268532, 9891328, 10335665, 12364160, 16537064, 19782656, 20671330, 24728320, 33074128, 39565312, 41342660, 49456640, 66148256, 82685320, 98913280, 132296512, 165370640, 197826560, 264593024, 330741280, 529186048, 661482560, 1058372096, 1322965120, 2116744192, 2645930240, 4233488384, 5291860480, 10583720960, 21167441920]

約数ペア:

[(1, 21167441920), (2, 10583720960), (4, 5291860480), (5, 4233488384), (8, 2645930240), (10, 2116744192), (16, 1322965120), (20, 1058372096), (32, 661482560), (40, 529186048), (64, 330741280), (80, 264593024), (107, 197826560), (128, 165370640), (160, 132296512), (214, 98913280), (256, 82685320), (320, 66148256), (428, 49456640), (512, 41342660), (535, 39565312), (640, 33074128), (856, 24728320), (1024, 20671330), (1070, 19782656), (1280, 16537064), (1712, 12364160), (2048, 10335665), (2140, 9891328), (2560, 8268532), (3424, 6182080), (4280, 4945664), (5120, 4134266), (6848, 3091040), (8560, 2472832), (10240, 2067133), (13696, 1545520), (17120, 1236416), (19319, 1095680), (27392, 772760), (34240, 618208), (38638, 547840), (54784, 386380), (68480, 309104), (77276, 273920), (96595, 219136), (109568, 193190), (136960, 154552)]