21377415

素因数分解:

$3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{83833}}^1$

素因数の和:83858

約数の個数: 16

約数和(自身を含む): 36216288

約数和(自身を除く): 14838873

約数列:

[1, 3, 5, 15, 17, 51, 85, 255, 83833, 251499, 419165, 1257495, 1425161, 4275483, 7125805, 21377415]

約数ペア:

[(1, 21377415), (3, 7125805), (5, 4275483), (15, 1425161), (17, 1257495), (51, 419165), (85, 251499), (255, 83833)]