21541008

素因数分解:

$2^4\times 3^1\times {\mathrm{103}}^1\times {\mathrm{4357}}^1$

素因数の和:4471

約数の個数: 40

約数和(自身を含む): 56200768

約数和(自身を除く): 34659760

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 48, 103, 206, 309, 412, 618, 824, 1236, 1648, 2472, 4357, 4944, 8714, 13071, 17428, 26142, 34856, 52284, 69712, 104568, 209136, 448771, 897542, 1346313, 1795084, 2692626, 3590168, 5385252, 7180336, 10770504, 21541008]

約数ペア:

[(1, 21541008), (2, 10770504), (3, 7180336), (4, 5385252), (6, 3590168), (8, 2692626), (12, 1795084), (16, 1346313), (24, 897542), (48, 448771), (103, 209136), (206, 104568), (309, 69712), (412, 52284), (618, 34856), (824, 26142), (1236, 17428), (1648, 13071), (2472, 8714), (4357, 4944)]