21248313

素因数分解:

$3^1\times {\mathrm{61}}^1\times {\mathrm{67}}^1\times {\mathrm{1733}}^1$

素因数の和:1864

約数の個数: 16

約数和(自身を含む): 29242176

約数和(自身を除く): 7993863

約数列:

[1, 3, 61, 67, 183, 201, 1733, 4087, 5199, 12261, 105713, 116111, 317139, 348333, 7082771, 21248313]

約数ペア:

[(1, 21248313), (3, 7082771), (61, 348333), (67, 317139), (183, 116111), (201, 105713), (1733, 12261), (4087, 5199)]