21567166

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{67}}^1\times {\mathrm{197}}^1$

素因数の和:328

約数の個数: 32

約数和(自身を含む): 35544960

約数和(自身を除く): 13977794

約数列:

[1, 2, 19, 38, 43, 67, 86, 134, 197, 394, 817, 1273, 1634, 2546, 2881, 3743, 5762, 7486, 8471, 13199, 16942, 26398, 54739, 109478, 160949, 250781, 321898, 501562, 567557, 1135114, 10783583, 21567166]

約数ペア:

[(1, 21567166), (2, 10783583), (19, 1135114), (38, 567557), (43, 501562), (67, 321898), (86, 250781), (134, 160949), (197, 109478), (394, 54739), (817, 26398), (1273, 16942), (1634, 13199), (2546, 8471), (2881, 7486), (3743, 5762)]