21000409024

素因数分解:

$2^6\times 7^2\times {\mathrm{59}}^1\times {\mathrm{113501}}^1$

素因数の和:113586

約数の個数: 84

約数和(自身を含む): 49298458680

約数和(自身を除く): 28298049656

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 49, 56, 59, 64, 98, 112, 118, 196, 224, 236, 392, 413, 448, 472, 784, 826, 944, 1568, 1652, 1888, 2891, 3136, 3304, 3776, 5782, 6608, 11564, 13216, 23128, 26432, 46256, 92512, 113501, 185024, 227002, 454004, 794507, 908008, 1589014, 1816016, 3178028, 3632032, 5561549, 6356056, 6696559, 7264064, 11123098, 12712112, 13393118, 22246196, 25424224, 26786236, 44492392, 46875913, 50848448, 53572472, 88984784, 93751826, 107144944, 177969568, 187503652, 214289888, 328131391, 355939136, 375007304, 428579776, 656262782, 750014608, 1312525564, 1500029216, 2625051128, 3000058432, 5250102256, 10500204512, 21000409024]

約数ペア:

[(1, 21000409024), (2, 10500204512), (4, 5250102256), (7, 3000058432), (8, 2625051128), (14, 1500029216), (16, 1312525564), (28, 750014608), (32, 656262782), (49, 428579776), (56, 375007304), (59, 355939136), (64, 328131391), (98, 214289888), (112, 187503652), (118, 177969568), (196, 107144944), (224, 93751826), (236, 88984784), (392, 53572472), (413, 50848448), (448, 46875913), (472, 44492392), (784, 26786236), (826, 25424224), (944, 22246196), (1568, 13393118), (1652, 12712112), (1888, 11123098), (2891, 7264064), (3136, 6696559), (3304, 6356056), (3776, 5561549), (5782, 3632032), (6608, 3178028), (11564, 1816016), (13216, 1589014), (23128, 908008), (26432, 794507), (46256, 454004), (92512, 227002), (113501, 185024)]