21371916

素因数分解:

$2^2\times 3^1\times {\mathrm{113}}^1\times {\mathrm{15761}}^1$

素因数の和:15881

約数の個数: 24

約数和(自身を含む): 50312304

約数和(自身を除く): 28940388

約数列:

[1, 2, 3, 4, 6, 12, 113, 226, 339, 452, 678, 1356, 15761, 31522, 47283, 63044, 94566, 189132, 1780993, 3561986, 5342979, 7123972, 10685958, 21371916]

約数ペア:

[(1, 21371916), (2, 10685958), (3, 7123972), (4, 5342979), (6, 3561986), (12, 1780993), (113, 189132), (226, 94566), (339, 63044), (452, 47283), (678, 31522), (1356, 15761)]