21256098

素因数分解:

$2^1\times 3^1\times {\mathrm{19}}^1\times {\mathrm{137}}^1\times {\mathrm{1361}}^1$

素因数の和:1522

約数の個数: 32

約数和(自身を含む): 45109440

約数和(自身を除く): 23853342

約数列:

[1, 2, 3, 6, 19, 38, 57, 114, 137, 274, 411, 822, 1361, 2603, 2722, 4083, 5206, 7809, 8166, 15618, 25859, 51718, 77577, 155154, 186457, 372914, 559371, 1118742, 3542683, 7085366, 10628049, 21256098]

約数ペア:

[(1, 21256098), (2, 10628049), (3, 7085366), (6, 3542683), (19, 1118742), (38, 559371), (57, 372914), (114, 186457), (137, 155154), (274, 77577), (411, 51718), (822, 25859), (1361, 15618), (2603, 8166), (2722, 7809), (4083, 5206)]