21155526

素因数分解:

$2^1\times 3^3\times 7^1\times {\mathrm{55967}}^1$

素因数の和:55985

約数の個数: 32

約数和(自身を含む): 53729280

約数和(自身を除く): 32573754

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 27, 42, 54, 63, 126, 189, 378, 55967, 111934, 167901, 335802, 391769, 503703, 783538, 1007406, 1175307, 1511109, 2350614, 3022218, 3525921, 7051842, 10577763, 21155526]

約数ペア:

[(1, 21155526), (2, 10577763), (3, 7051842), (6, 3525921), (7, 3022218), (9, 2350614), (14, 1511109), (18, 1175307), (21, 1007406), (27, 783538), (42, 503703), (54, 391769), (63, 335802), (126, 167901), (189, 111934), (378, 55967)]