21616644

素因数分解:

$2^2\times 3^1\times 7^2\times {\mathrm{97}}^1\times {\mathrm{379}}^1$

素因数の和:497

約数の個数: 72

約数和(自身を含む): 59435040

約数和(自身を除く): 37818396

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 49, 84, 97, 98, 147, 194, 196, 291, 294, 379, 388, 582, 588, 679, 758, 1137, 1164, 1358, 1516, 2037, 2274, 2653, 2716, 4074, 4548, 4753, 5306, 7959, 8148, 9506, 10612, 14259, 15918, 18571, 19012, 28518, 31836, 36763, 37142, 55713, 57036, 73526, 74284, 110289, 111426, 147052, 220578, 222852, 257341, 441156, 514682, 772023, 1029364, 1544046, 1801387, 3088092, 3602774, 5404161, 7205548, 10808322, 21616644]

約数ペア:

[(1, 21616644), (2, 10808322), (3, 7205548), (4, 5404161), (6, 3602774), (7, 3088092), (12, 1801387), (14, 1544046), (21, 1029364), (28, 772023), (42, 514682), (49, 441156), (84, 257341), (97, 222852), (98, 220578), (147, 147052), (194, 111426), (196, 110289), (291, 74284), (294, 73526), (379, 57036), (388, 55713), (582, 37142), (588, 36763), (679, 31836), (758, 28518), (1137, 19012), (1164, 18571), (1358, 15918), (1516, 14259), (2037, 10612), (2274, 9506), (2653, 8148), (2716, 7959), (4074, 5306), (4548, 4753)]