21812266

素因数分解:

$2^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{1907}}^1$

素因数の和:1978

約数の個数: 32

約数和(自身を含む): 40296960

約数和(自身を除く): 18484694

約数列:

[1, 2, 7, 14, 19, 38, 43, 86, 133, 266, 301, 602, 817, 1634, 1907, 3814, 5719, 11438, 13349, 26698, 36233, 72466, 82001, 164002, 253631, 507262, 574007, 1148014, 1558019, 3116038, 10906133, 21812266]

約数ペア:

[(1, 21812266), (2, 10906133), (7, 3116038), (14, 1558019), (19, 1148014), (38, 574007), (43, 507262), (86, 253631), (133, 164002), (266, 82001), (301, 72466), (602, 36233), (817, 26698), (1634, 13349), (1907, 11438), (3814, 5719)]