20211231

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{12227}}^1$

素因数の和:12278

約数の個数: 16

約数和(自身を含む): 29347200

約数和(自身を除く): 9135969

約数列:

[1, 3, 19, 29, 57, 87, 551, 1653, 12227, 36681, 232313, 354583, 696939, 1063749, 6737077, 20211231]

約数ペア:

[(1, 20211231), (3, 6737077), (19, 1063749), (29, 696939), (57, 354583), (87, 232313), (551, 36681), (1653, 12227)]