21658644

素因数分解:

$2^2\times 3^3\times 7^1\times {\mathrm{28649}}^1$

素因数の和:28669

約数の個数: 48

約数和(自身を含む): 64176000

約数和(自身を除く): 42517356

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 27, 28, 36, 42, 54, 63, 84, 108, 126, 189, 252, 378, 756, 28649, 57298, 85947, 114596, 171894, 200543, 257841, 343788, 401086, 515682, 601629, 773523, 802172, 1031364, 1203258, 1547046, 1804887, 2406516, 3094092, 3609774, 5414661, 7219548, 10829322, 21658644]

約数ペア:

[(1, 21658644), (2, 10829322), (3, 7219548), (4, 5414661), (6, 3609774), (7, 3094092), (9, 2406516), (12, 1804887), (14, 1547046), (18, 1203258), (21, 1031364), (27, 802172), (28, 773523), (36, 601629), (42, 515682), (54, 401086), (63, 343788), (84, 257841), (108, 200543), (126, 171894), (189, 114596), (252, 85947), (378, 57298), (756, 28649)]