21569289084

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{71}}^1\times {\mathrm{1205527}}^1$

素因数の和:1205615

約数の個数: 72

約数和(自身を含む): 63188955648

約数和(自身を除く): 41619666564

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 28, 36, 42, 63, 71, 84, 126, 142, 213, 252, 284, 426, 497, 639, 852, 994, 1278, 1491, 1988, 2556, 2982, 4473, 5964, 8946, 17892, 1205527, 2411054, 3616581, 4822108, 7233162, 8438689, 10849743, 14466324, 16877378, 21699486, 25316067, 33754756, 43398972, 50632134, 75948201, 85592417, 101264268, 151896402, 171184834, 256777251, 303792804, 342369668, 513554502, 599146919, 770331753, 1027109004, 1198293838, 1540663506, 1797440757, 2396587676, 3081327012, 3594881514, 5392322271, 7189763028, 10784644542, 21569289084]

約数ペア:

[(1, 21569289084), (2, 10784644542), (3, 7189763028), (4, 5392322271), (6, 3594881514), (7, 3081327012), (9, 2396587676), (12, 1797440757), (14, 1540663506), (18, 1198293838), (21, 1027109004), (28, 770331753), (36, 599146919), (42, 513554502), (63, 342369668), (71, 303792804), (84, 256777251), (126, 171184834), (142, 151896402), (213, 101264268), (252, 85592417), (284, 75948201), (426, 50632134), (497, 43398972), (639, 33754756), (852, 25316067), (994, 21699486), (1278, 16877378), (1491, 14466324), (1988, 10849743), (2556, 8438689), (2982, 7233162), (4473, 4822108), (5964, 3616581), (8946, 2411054), (17892, 1205527)]