21810235

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{59}}^1\times {\mathrm{4349}}^1$

素因数の和:4430

約数の個数: 16

約数和(自身を含む): 28188000

約数和(自身を除く): 6377765

約数列:

[1, 5, 17, 59, 85, 295, 1003, 4349, 5015, 21745, 73933, 256591, 369665, 1282955, 4362047, 21810235]

約数ペア:

[(1, 21810235), (5, 4362047), (17, 1282955), (59, 369665), (85, 256591), (295, 73933), (1003, 21745), (4349, 5015)]