21056554496

素因数分解:

$2^9\times {\mathrm{73}}^1\times {\mathrm{499}}^1\times {\mathrm{1129}}^1$

素因数の和:1719

約数の個数: 80

約数和(自身を含む): 42771630000

約数和(自身を除く): 21715075504

約数列:

[1, 2, 4, 8, 16, 32, 64, 73, 128, 146, 256, 292, 499, 512, 584, 998, 1129, 1168, 1996, 2258, 2336, 3992, 4516, 4672, 7984, 9032, 9344, 15968, 18064, 18688, 31936, 36128, 36427, 37376, 63872, 72256, 72854, 82417, 127744, 144512, 145708, 164834, 255488, 289024, 291416, 329668, 563371, 578048, 582832, 659336, 1126742, 1165664, 1318672, 2253484, 2331328, 2637344, 4506968, 4662656, 5274688, 9013936, 9325312, 10549376, 18027872, 18650624, 21098752, 36055744, 41126083, 42197504, 72111488, 82252166, 144222976, 164504332, 288445952, 329008664, 658017328, 1316034656, 2632069312, 5264138624, 10528277248, 21056554496]

約数ペア:

[(1, 21056554496), (2, 10528277248), (4, 5264138624), (8, 2632069312), (16, 1316034656), (32, 658017328), (64, 329008664), (73, 288445952), (128, 164504332), (146, 144222976), (256, 82252166), (292, 72111488), (499, 42197504), (512, 41126083), (584, 36055744), (998, 21098752), (1129, 18650624), (1168, 18027872), (1996, 10549376), (2258, 9325312), (2336, 9013936), (3992, 5274688), (4516, 4662656), (4672, 4506968), (7984, 2637344), (9032, 2331328), (9344, 2253484), (15968, 1318672), (18064, 1165664), (18688, 1126742), (31936, 659336), (36128, 582832), (36427, 578048), (37376, 563371), (63872, 329668), (72256, 291416), (72854, 289024), (82417, 255488), (127744, 164834), (144512, 145708)]