21546366947

素因数分解:

$7^1\times {\mathrm{19}}^2\times {\mathrm{71}}^1\times {\mathrm{120091}}^1$

素因数の和:120207

約数の個数: 24

約数和(自身を含む): 26354909952

約数和(自身を除く): 4808543005

約数列:

[1, 7, 19, 71, 133, 361, 497, 1349, 2527, 9443, 25631, 120091, 179417, 840637, 2281729, 8526461, 15972103, 43352851, 59685227, 162002759, 303469957, 1134019313, 3078052421, 21546366947]

約数ペア:

[(1, 21546366947), (7, 3078052421), (19, 1134019313), (71, 303469957), (133, 162002759), (361, 59685227), (497, 43352851), (1349, 15972103), (2527, 8526461), (9443, 2281729), (25631, 840637), (120091, 179417)]