21711756

素因数分解:

$2^2\times 3^1\times {\mathrm{11}}^2\times {\mathrm{19}}^1\times {\mathrm{787}}^1$

素因数の和:835

約数の個数: 72

約数和(自身を含む): 58690240

約数和(自身を除く): 36978484

約数列:

[1, 2, 3, 4, 6, 11, 12, 19, 22, 33, 38, 44, 57, 66, 76, 114, 121, 132, 209, 228, 242, 363, 418, 484, 627, 726, 787, 836, 1254, 1452, 1574, 2299, 2361, 2508, 3148, 4598, 4722, 6897, 8657, 9196, 9444, 13794, 14953, 17314, 25971, 27588, 29906, 34628, 44859, 51942, 59812, 89718, 95227, 103884, 164483, 179436, 190454, 285681, 328966, 380908, 493449, 571362, 657932, 986898, 1142724, 1809313, 1973796, 3618626, 5427939, 7237252, 10855878, 21711756]

約数ペア:

[(1, 21711756), (2, 10855878), (3, 7237252), (4, 5427939), (6, 3618626), (11, 1973796), (12, 1809313), (19, 1142724), (22, 986898), (33, 657932), (38, 571362), (44, 493449), (57, 380908), (66, 328966), (76, 285681), (114, 190454), (121, 179436), (132, 164483), (209, 103884), (228, 95227), (242, 89718), (363, 59812), (418, 51942), (484, 44859), (627, 34628), (726, 29906), (787, 27588), (836, 25971), (1254, 17314), (1452, 14953), (1574, 13794), (2299, 9444), (2361, 9196), (2508, 8657), (3148, 6897), (4598, 4722)]