21624848

素因数分解:

$2^4\times 7^1\times {\mathrm{53}}^1\times {\mathrm{3643}}^1$

素因数の和:3711

約数の個数: 40

約数和(自身を含む): 48800448

約数和(自身を除く): 27175600

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 53, 56, 106, 112, 212, 371, 424, 742, 848, 1484, 2968, 3643, 5936, 7286, 14572, 25501, 29144, 51002, 58288, 102004, 193079, 204008, 386158, 408016, 772316, 1351553, 1544632, 2703106, 3089264, 5406212, 10812424, 21624848]

約数ペア:

[(1, 21624848), (2, 10812424), (4, 5406212), (7, 3089264), (8, 2703106), (14, 1544632), (16, 1351553), (28, 772316), (53, 408016), (56, 386158), (106, 204008), (112, 193079), (212, 102004), (371, 58288), (424, 51002), (742, 29144), (848, 25501), (1484, 14572), (2968, 7286), (3643, 5936)]