21129864

素因数分解:

$2^3\times 3^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{4337}}^1$

素因数の和:4382

約数の個数: 64

約数和(自身を含む): 62467200

約数和(自身を除く): 41337336

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 21, 24, 28, 29, 42, 56, 58, 84, 87, 116, 168, 174, 203, 232, 348, 406, 609, 696, 812, 1218, 1624, 2436, 4337, 4872, 8674, 13011, 17348, 26022, 30359, 34696, 52044, 60718, 91077, 104088, 121436, 125773, 182154, 242872, 251546, 364308, 377319, 503092, 728616, 754638, 880411, 1006184, 1509276, 1760822, 2641233, 3018552, 3521644, 5282466, 7043288, 10564932, 21129864]

約数ペア:

[(1, 21129864), (2, 10564932), (3, 7043288), (4, 5282466), (6, 3521644), (7, 3018552), (8, 2641233), (12, 1760822), (14, 1509276), (21, 1006184), (24, 880411), (28, 754638), (29, 728616), (42, 503092), (56, 377319), (58, 364308), (84, 251546), (87, 242872), (116, 182154), (168, 125773), (174, 121436), (203, 104088), (232, 91077), (348, 60718), (406, 52044), (609, 34696), (696, 30359), (812, 26022), (1218, 17348), (1624, 13011), (2436, 8674), (4337, 4872)]