21367077

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{557}}^1\times {\mathrm{673}}^1$

素因数の和:1252

約数の個数: 16

約数和(自身を含む): 30087360

約数和(自身を除く): 8720283

約数列:

[1, 3, 19, 57, 557, 673, 1671, 2019, 10583, 12787, 31749, 38361, 374861, 1124583, 7122359, 21367077]

約数ペア:

[(1, 21367077), (3, 7122359), (19, 1124583), (57, 374861), (557, 38361), (673, 31749), (1671, 12787), (2019, 10583)]