21327613

素因数分解:

${\mathrm{43}}^1\times {\mathrm{47}}^1\times {\mathrm{61}}^1\times {\mathrm{173}}^1$

素因数の和:324

約数の個数: 16

約数和(自身を含む): 22784256

約数和(自身を除く): 1456643

約数列:

[1, 43, 47, 61, 173, 2021, 2623, 2867, 7439, 8131, 10553, 123281, 349633, 453779, 495991, 21327613]

約数ペア:

[(1, 21327613), (43, 495991), (47, 453779), (61, 349633), (173, 123281), (2021, 10553), (2623, 8131), (2867, 7439)]