21949620

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{4751}}^1$

素因数の和:4781

約数の個数: 96

約数和(自身を含む): 76640256

約数和(自身を除く): 54690636

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 11, 12, 14, 15, 20, 21, 22, 28, 30, 33, 35, 42, 44, 55, 60, 66, 70, 77, 84, 105, 110, 132, 140, 154, 165, 210, 220, 231, 308, 330, 385, 420, 462, 660, 770, 924, 1155, 1540, 2310, 4620, 4751, 9502, 14253, 19004, 23755, 28506, 33257, 47510, 52261, 57012, 66514, 71265, 95020, 99771, 104522, 133028, 142530, 156783, 166285, 199542, 209044, 261305, 285060, 313566, 332570, 365827, 399084, 498855, 522610, 627132, 665140, 731654, 783915, 997710, 1045220, 1097481, 1463308, 1567830, 1829135, 1995420, 2194962, 3135660, 3658270, 4389924, 5487405, 7316540, 10974810, 21949620]

約数ペア:

[(1, 21949620), (2, 10974810), (3, 7316540), (4, 5487405), (5, 4389924), (6, 3658270), (7, 3135660), (10, 2194962), (11, 1995420), (12, 1829135), (14, 1567830), (15, 1463308), (20, 1097481), (21, 1045220), (22, 997710), (28, 783915), (30, 731654), (33, 665140), (35, 627132), (42, 522610), (44, 498855), (55, 399084), (60, 365827), (66, 332570), (70, 313566), (77, 285060), (84, 261305), (105, 209044), (110, 199542), (132, 166285), (140, 156783), (154, 142530), (165, 133028), (210, 104522), (220, 99771), (231, 95020), (308, 71265), (330, 66514), (385, 57012), (420, 52261), (462, 47510), (660, 33257), (770, 28506), (924, 23755), (1155, 19004), (1540, 14253), (2310, 9502), (4620, 4751)]