21396177

素因数分解:

$3^3\times {\mathrm{11}}^1\times {\mathrm{61}}^1\times {\mathrm{1181}}^1$

素因数の和:1262

約数の個数: 32

約数和(自身を含む): 35176320

約数和(自身を除く): 13780143

約数列:

[1, 3, 9, 11, 27, 33, 61, 99, 183, 297, 549, 671, 1181, 1647, 2013, 3543, 6039, 10629, 12991, 18117, 31887, 38973, 72041, 116919, 216123, 350757, 648369, 792451, 1945107, 2377353, 7132059, 21396177]

約数ペア:

[(1, 21396177), (3, 7132059), (9, 2377353), (11, 1945107), (27, 792451), (33, 648369), (61, 350757), (99, 216123), (183, 116919), (297, 72041), (549, 38973), (671, 31887), (1181, 18117), (1647, 12991), (2013, 10629), (3543, 6039)]