21713496

素因数分解:

$2^3\times 3^1\times 7^1\times {\mathrm{307}}^1\times {\mathrm{421}}^1$

素因数の和:744

約数の個数: 64

約数和(自身を含む): 62388480

約数和(自身を除く): 40674984

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 21, 24, 28, 42, 56, 84, 168, 307, 421, 614, 842, 921, 1228, 1263, 1684, 1842, 2149, 2456, 2526, 2947, 3368, 3684, 4298, 5052, 5894, 6447, 7368, 8596, 8841, 10104, 11788, 12894, 17192, 17682, 23576, 25788, 35364, 51576, 70728, 129247, 258494, 387741, 516988, 775482, 904729, 1033976, 1550964, 1809458, 2714187, 3101928, 3618916, 5428374, 7237832, 10856748, 21713496]

約数ペア:

[(1, 21713496), (2, 10856748), (3, 7237832), (4, 5428374), (6, 3618916), (7, 3101928), (8, 2714187), (12, 1809458), (14, 1550964), (21, 1033976), (24, 904729), (28, 775482), (42, 516988), (56, 387741), (84, 258494), (168, 129247), (307, 70728), (421, 51576), (614, 35364), (842, 25788), (921, 23576), (1228, 17682), (1263, 17192), (1684, 12894), (1842, 11788), (2149, 10104), (2456, 8841), (2526, 8596), (2947, 7368), (3368, 6447), (3684, 5894), (4298, 5052)]