21994355

素因数分解:

$5^1\times {\mathrm{47}}^1\times {\mathrm{173}}^1\times {\mathrm{541}}^1$

素因数の和:766

約数の個数: 16

約数和(自身を含む): 27160704

約数和(自身を除く): 5166349

約数列:

[1, 5, 47, 173, 235, 541, 865, 2705, 8131, 25427, 40655, 93593, 127135, 467965, 4398871, 21994355]

約数ペア:

[(1, 21994355), (5, 4398871), (47, 467965), (173, 127135), (235, 93593), (541, 40655), (865, 25427), (2705, 8131)]