21594916

素因数分解:

$2^2\times 7^1\times {\mathrm{97}}^1\times {\mathrm{7951}}^1$

素因数の和:8059

約数の個数: 24

約数和(自身を含む): 43640576

約数和(自身を除く): 22045660

約数列:

[1, 2, 4, 7, 14, 28, 97, 194, 388, 679, 1358, 2716, 7951, 15902, 31804, 55657, 111314, 222628, 771247, 1542494, 3084988, 5398729, 10797458, 21594916]

約数ペア:

[(1, 21594916), (2, 10797458), (4, 5398729), (7, 3084988), (14, 1542494), (28, 771247), (97, 222628), (194, 111314), (388, 55657), (679, 31804), (1358, 15902), (2716, 7951)]