21752872008

素因数分解:

$2^3\times 3^1\times 7^1\times {\mathrm{47}}^1\times {\mathrm{2754923}}^1$

素因数の和:2754986

約数の個数: 64

約数和(自身を含む): 63473448960

約数和(自身を除く): 41720576952

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 21, 24, 28, 42, 47, 56, 84, 94, 141, 168, 188, 282, 329, 376, 564, 658, 987, 1128, 1316, 1974, 2632, 3948, 7896, 2754923, 5509846, 8264769, 11019692, 16529538, 19284461, 22039384, 33059076, 38568922, 57853383, 66118152, 77137844, 115706766, 129481381, 154275688, 231413532, 258962762, 388444143, 462827064, 517925524, 776888286, 906369667, 1035851048, 1553776572, 1812739334, 2719109001, 3107553144, 3625478668, 5438218002, 7250957336, 10876436004, 21752872008]

約数ペア:

[(1, 21752872008), (2, 10876436004), (3, 7250957336), (4, 5438218002), (6, 3625478668), (7, 3107553144), (8, 2719109001), (12, 1812739334), (14, 1553776572), (21, 1035851048), (24, 906369667), (28, 776888286), (42, 517925524), (47, 462827064), (56, 388444143), (84, 258962762), (94, 231413532), (141, 154275688), (168, 129481381), (188, 115706766), (282, 77137844), (329, 66118152), (376, 57853383), (564, 38568922), (658, 33059076), (987, 22039384), (1128, 19284461), (1316, 16529538), (1974, 11019692), (2632, 8264769), (3948, 5509846), (7896, 2754923)]