21354567

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{1039}}^1$

素因数の和:1103

約数の個数: 32

約数和(自身を含む): 33546240

約数和(自身を除く): 12191673

約数列:

[1, 3, 13, 17, 31, 39, 51, 93, 221, 403, 527, 663, 1039, 1209, 1581, 3117, 6851, 13507, 17663, 20553, 32209, 40521, 52989, 96627, 229619, 418717, 547553, 688857, 1256151, 1642659, 7118189, 21354567]

約数ペア:

[(1, 21354567), (3, 7118189), (13, 1642659), (17, 1256151), (31, 688857), (39, 547553), (51, 418717), (93, 229619), (221, 96627), (403, 52989), (527, 40521), (663, 32209), (1039, 20553), (1209, 17663), (1581, 13507), (3117, 6851)]