21438024

素因数分解:

$2^3\times 3^1\times {\mathrm{23}}^1\times {\mathrm{71}}^1\times {\mathrm{547}}^1$

素因数の和:650

約数の個数: 64

約数和(自身を含む): 56816640

約数和(自身を除く): 35378616

約数列:

[1, 2, 3, 4, 6, 8, 12, 23, 24, 46, 69, 71, 92, 138, 142, 184, 213, 276, 284, 426, 547, 552, 568, 852, 1094, 1633, 1641, 1704, 2188, 3266, 3282, 4376, 4899, 6532, 6564, 9798, 12581, 13064, 13128, 19596, 25162, 37743, 38837, 39192, 50324, 75486, 77674, 100648, 116511, 150972, 155348, 233022, 301944, 310696, 466044, 893251, 932088, 1786502, 2679753, 3573004, 5359506, 7146008, 10719012, 21438024]

約数ペア:

[(1, 21438024), (2, 10719012), (3, 7146008), (4, 5359506), (6, 3573004), (8, 2679753), (12, 1786502), (23, 932088), (24, 893251), (46, 466044), (69, 310696), (71, 301944), (92, 233022), (138, 155348), (142, 150972), (184, 116511), (213, 100648), (276, 77674), (284, 75486), (426, 50324), (547, 39192), (552, 38837), (568, 37743), (852, 25162), (1094, 19596), (1633, 13128), (1641, 13064), (1704, 12581), (2188, 9798), (3266, 6564), (3282, 6532), (4376, 4899)]