2181564

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{787}}^1$

素因数の和:815

約数の個数: 72

約数和(自身を含む): 6883968

約数和(自身を除く): 4702404

約数列:

[1, 2, 3, 4, 6, 7, 9, 11, 12, 14, 18, 21, 22, 28, 33, 36, 42, 44, 63, 66, 77, 84, 99, 126, 132, 154, 198, 231, 252, 308, 396, 462, 693, 787, 924, 1386, 1574, 2361, 2772, 3148, 4722, 5509, 7083, 8657, 9444, 11018, 14166, 16527, 17314, 22036, 25971, 28332, 33054, 34628, 49581, 51942, 60599, 66108, 77913, 99162, 103884, 121198, 155826, 181797, 198324, 242396, 311652, 363594, 545391, 727188, 1090782, 2181564]

約数ペア:

[(1, 2181564), (2, 1090782), (3, 727188), (4, 545391), (6, 363594), (7, 311652), (9, 242396), (11, 198324), (12, 181797), (14, 155826), (18, 121198), (21, 103884), (22, 99162), (28, 77913), (33, 66108), (36, 60599), (42, 51942), (44, 49581), (63, 34628), (66, 33054), (77, 28332), (84, 25971), (99, 22036), (126, 17314), (132, 16527), (154, 14166), (198, 11018), (231, 9444), (252, 8657), (308, 7083), (396, 5509), (462, 4722), (693, 3148), (787, 2772), (924, 2361), (1386, 1574)]