21494172

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{59}}^1\times {\mathrm{4337}}^1$

素因数の和:4410

約数の個数: 48

約数和(自身を含む): 58302720

約数和(自身を除く): 36808548

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 59, 84, 118, 177, 236, 354, 413, 708, 826, 1239, 1652, 2478, 4337, 4956, 8674, 13011, 17348, 26022, 30359, 52044, 60718, 91077, 121436, 182154, 255883, 364308, 511766, 767649, 1023532, 1535298, 1791181, 3070596, 3582362, 5373543, 7164724, 10747086, 21494172]

約数ペア:

[(1, 21494172), (2, 10747086), (3, 7164724), (4, 5373543), (6, 3582362), (7, 3070596), (12, 1791181), (14, 1535298), (21, 1023532), (28, 767649), (42, 511766), (59, 364308), (84, 255883), (118, 182154), (177, 121436), (236, 91077), (354, 60718), (413, 52044), (708, 30359), (826, 26022), (1239, 17348), (1652, 13011), (2478, 8674), (4337, 4956)]