21515436

素因数分解:

$2^2\times 3^3\times {\mathrm{73}}^1\times {\mathrm{2729}}^1$

素因数の和:2815

約数の個数: 48

約数和(自身を含む): 56565600

約数和(自身を除く): 35050164

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 27, 36, 54, 73, 108, 146, 219, 292, 438, 657, 876, 1314, 1971, 2628, 2729, 3942, 5458, 7884, 8187, 10916, 16374, 24561, 32748, 49122, 73683, 98244, 147366, 199217, 294732, 398434, 597651, 796868, 1195302, 1792953, 2390604, 3585906, 5378859, 7171812, 10757718, 21515436]

約数ペア:

[(1, 21515436), (2, 10757718), (3, 7171812), (4, 5378859), (6, 3585906), (9, 2390604), (12, 1792953), (18, 1195302), (27, 796868), (36, 597651), (54, 398434), (73, 294732), (108, 199217), (146, 147366), (219, 98244), (292, 73683), (438, 49122), (657, 32748), (876, 24561), (1314, 16374), (1971, 10916), (2628, 8187), (2729, 7884), (3942, 5458)]