21423888

素因数分解:

$2^4\times 3^2\times {\mathrm{37}}^1\times {\mathrm{4021}}^1$

素因数の和:4072

約数の個数: 60

約数和(自身を含む): 61592908

約数和(自身を除く): 40169020

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 36, 37, 48, 72, 74, 111, 144, 148, 222, 296, 333, 444, 592, 666, 888, 1332, 1776, 2664, 4021, 5328, 8042, 12063, 16084, 24126, 32168, 36189, 48252, 64336, 72378, 96504, 144756, 148777, 193008, 289512, 297554, 446331, 579024, 595108, 892662, 1190216, 1338993, 1785324, 2380432, 2677986, 3570648, 5355972, 7141296, 10711944, 21423888]

約数ペア:

[(1, 21423888), (2, 10711944), (3, 7141296), (4, 5355972), (6, 3570648), (8, 2677986), (9, 2380432), (12, 1785324), (16, 1338993), (18, 1190216), (24, 892662), (36, 595108), (37, 579024), (48, 446331), (72, 297554), (74, 289512), (111, 193008), (144, 148777), (148, 144756), (222, 96504), (296, 72378), (333, 64336), (444, 48252), (592, 36189), (666, 32168), (888, 24126), (1332, 16084), (1776, 12063), (2664, 8042), (4021, 5328)]