21294018

素因数分解:

$2^1\times 3^2\times {\mathrm{37}}^1\times {\mathrm{31973}}^1$

素因数の和:32018

約数の個数: 24

約数和(自身を含む): 47385468

約数和(自身を除く): 26091450

約数列:

[1, 2, 3, 6, 9, 18, 37, 74, 111, 222, 333, 666, 31973, 63946, 95919, 191838, 287757, 575514, 1183001, 2366002, 3549003, 7098006, 10647009, 21294018]

約数ペア:

[(1, 21294018), (2, 10647009), (3, 7098006), (6, 3549003), (9, 2366002), (18, 1183001), (37, 575514), (74, 287757), (111, 191838), (222, 95919), (333, 63946), (666, 31973)]