21431044

素因数分解:

$2^2\times {\mathrm{31}}^1\times {\mathrm{401}}^1\times {\mathrm{431}}^1$

素因数の和:867

約数の個数: 24

約数和(自身を含む): 38900736

約数和(自身を除く): 17469692

約数列:

[1, 2, 4, 31, 62, 124, 401, 431, 802, 862, 1604, 1724, 12431, 13361, 24862, 26722, 49724, 53444, 172831, 345662, 691324, 5357761, 10715522, 21431044]

約数ペア:

[(1, 21431044), (2, 10715522), (4, 5357761), (31, 691324), (62, 345662), (124, 172831), (401, 53444), (431, 49724), (802, 26722), (862, 24862), (1604, 13361), (1724, 12431)]