21000824568

素因数分解:

$2^3\times 3^2\times {\mathrm{2347}}^1\times {\mathrm{124277}}^1$

素因数の和:126636

約数の個数: 48

約数和(自身を含む): 56901925080

約数和(自身を除く): 35901100512

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 36, 72, 2347, 4694, 7041, 9388, 14082, 18776, 21123, 28164, 42246, 56328, 84492, 124277, 168984, 248554, 372831, 497108, 745662, 994216, 1118493, 1491324, 2236986, 2982648, 4473972, 8947944, 291678119, 583356238, 875034357, 1166712476, 1750068714, 2333424952, 2625103071, 3500137428, 5250206142, 7000274856, 10500412284, 21000824568]

約数ペア:

[(1, 21000824568), (2, 10500412284), (3, 7000274856), (4, 5250206142), (6, 3500137428), (8, 2625103071), (9, 2333424952), (12, 1750068714), (18, 1166712476), (24, 875034357), (36, 583356238), (72, 291678119), (2347, 8947944), (4694, 4473972), (7041, 2982648), (9388, 2236986), (14082, 1491324), (18776, 1118493), (21123, 994216), (28164, 745662), (42246, 497108), (56328, 372831), (84492, 248554), (124277, 168984)]