21419412

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{254993}}^1$

素因数の和:255007

約数の個数: 24

約数和(自身を含む): 57118656

約数和(自身を除く): 35699244

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 84, 254993, 509986, 764979, 1019972, 1529958, 1784951, 3059916, 3569902, 5354853, 7139804, 10709706, 21419412]

約数ペア:

[(1, 21419412), (2, 10709706), (3, 7139804), (4, 5354853), (6, 3569902), (7, 3059916), (12, 1784951), (14, 1529958), (21, 1019972), (28, 764979), (42, 509986), (84, 254993)]