21055664

素因数分解:

$2^4\times 7^1\times {\mathrm{37}}^1\times {\mathrm{5081}}^1$

素因数の和:5133

約数の個数: 40

約数和(自身を含む): 47892768

約数和(自身を除く): 26837104

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 37, 56, 74, 112, 148, 259, 296, 518, 592, 1036, 2072, 4144, 5081, 10162, 20324, 35567, 40648, 71134, 81296, 142268, 187997, 284536, 375994, 569072, 751988, 1315979, 1503976, 2631958, 3007952, 5263916, 10527832, 21055664]

約数ペア:

[(1, 21055664), (2, 10527832), (4, 5263916), (7, 3007952), (8, 2631958), (14, 1503976), (16, 1315979), (28, 751988), (37, 569072), (56, 375994), (74, 284536), (112, 187997), (148, 142268), (259, 81296), (296, 71134), (518, 40648), (592, 35567), (1036, 20324), (2072, 10162), (4144, 5081)]