21137023740

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{977}}^1\times {\mathrm{51511}}^1$

素因数の和:52507

約数の個数: 96

約数和(自身を含む): 67709021184

約数和(自身を除く): 46571997444

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 140, 210, 420, 977, 1954, 2931, 3908, 4885, 5862, 6839, 9770, 11724, 13678, 14655, 19540, 20517, 27356, 29310, 34195, 41034, 51511, 58620, 68390, 82068, 102585, 103022, 136780, 154533, 205170, 206044, 257555, 309066, 360577, 410340, 515110, 618132, 721154, 772665, 1030220, 1081731, 1442308, 1545330, 1802885, 2163462, 3090660, 3605770, 4326924, 5408655, 7211540, 10817310, 21634620, 50326247, 100652494, 150978741, 201304988, 251631235, 301957482, 352283729, 503262470, 603914964, 704567458, 754893705, 1006524940, 1056851187, 1409134916, 1509787410, 1761418645, 2113702374, 3019574820, 3522837290, 4227404748, 5284255935, 7045674580, 10568511870, 21137023740]

約数ペア:

[(1, 21137023740), (2, 10568511870), (3, 7045674580), (4, 5284255935), (5, 4227404748), (6, 3522837290), (7, 3019574820), (10, 2113702374), (12, 1761418645), (14, 1509787410), (15, 1409134916), (20, 1056851187), (21, 1006524940), (28, 754893705), (30, 704567458), (35, 603914964), (42, 503262470), (60, 352283729), (70, 301957482), (84, 251631235), (105, 201304988), (140, 150978741), (210, 100652494), (420, 50326247), (977, 21634620), (1954, 10817310), (2931, 7211540), (3908, 5408655), (4885, 4326924), (5862, 3605770), (6839, 3090660), (9770, 2163462), (11724, 1802885), (13678, 1545330), (14655, 1442308), (19540, 1081731), (20517, 1030220), (27356, 772665), (29310, 721154), (34195, 618132), (41034, 515110), (51511, 410340), (58620, 360577), (68390, 309066), (82068, 257555), (102585, 206044), (103022, 205170), (136780, 154533)]