21289916704

素因数分解:

$2^5\times 7^4\times {\mathrm{277097}}^1$

素因数の和:277135

約数の個数: 60

約数和(自身を含む): 48897544374

約数和(自身を除く): 27607627670

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 49, 56, 98, 112, 196, 224, 343, 392, 686, 784, 1372, 1568, 2401, 2744, 4802, 5488, 9604, 10976, 19208, 38416, 76832, 277097, 554194, 1108388, 1939679, 2216776, 3879358, 4433552, 7758716, 8867104, 13577753, 15517432, 27155506, 31034864, 54311012, 62069728, 95044271, 108622024, 190088542, 217244048, 380177084, 434488096, 665309897, 760354168, 1330619794, 1520708336, 2661239588, 3041416672, 5322479176, 10644958352, 21289916704]

約数ペア:

[(1, 21289916704), (2, 10644958352), (4, 5322479176), (7, 3041416672), (8, 2661239588), (14, 1520708336), (16, 1330619794), (28, 760354168), (32, 665309897), (49, 434488096), (56, 380177084), (98, 217244048), (112, 190088542), (196, 108622024), (224, 95044271), (343, 62069728), (392, 54311012), (686, 31034864), (784, 27155506), (1372, 15517432), (1568, 13577753), (2401, 8867104), (2744, 7758716), (4802, 4433552), (5488, 3879358), (9604, 2216776), (10976, 1939679), (19208, 1108388), (38416, 554194), (76832, 277097)]