21318282

素因数分解:

$2^1\times 3^3\times {\mathrm{43}}^1\times {\mathrm{9181}}^1$

素因数の和:9235

約数の個数: 32

約数和(自身を含む): 48480960

約数和(自身を除く): 27162678

約数列:

[1, 2, 3, 6, 9, 18, 27, 43, 54, 86, 129, 258, 387, 774, 1161, 2322, 9181, 18362, 27543, 55086, 82629, 165258, 247887, 394783, 495774, 789566, 1184349, 2368698, 3553047, 7106094, 10659141, 21318282]

約数ペア:

[(1, 21318282), (2, 10659141), (3, 7106094), (6, 3553047), (9, 2368698), (18, 1184349), (27, 789566), (43, 495774), (54, 394783), (86, 247887), (129, 165258), (258, 82629), (387, 55086), (774, 27543), (1161, 18362), (2322, 9181)]