21306006

素因数分解:

$2^1\times 3^2\times {\mathrm{37}}^1\times {\mathrm{31991}}^1$

素因数の和:32036

約数の個数: 24

約数和(自身を含む): 47412144

約数和(自身を除く): 26106138

約数列:

[1, 2, 3, 6, 9, 18, 37, 74, 111, 222, 333, 666, 31991, 63982, 95973, 191946, 287919, 575838, 1183667, 2367334, 3551001, 7102002, 10653003, 21306006]

約数ペア:

[(1, 21306006), (2, 10653003), (3, 7102002), (6, 3551001), (9, 2367334), (18, 1183667), (37, 575838), (74, 287919), (111, 191946), (222, 95973), (333, 63982), (666, 31991)]