21172746

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{331}}^1\times {\mathrm{1523}}^1$

素因数の和:1866

約数の個数: 32

約数和(自身を含む): 48572928

約数和(自身を除く): 27400182

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 331, 662, 993, 1523, 1986, 2317, 3046, 4569, 4634, 6951, 9138, 10661, 13902, 21322, 31983, 63966, 504113, 1008226, 1512339, 3024678, 3528791, 7057582, 10586373, 21172746]

約数ペア:

[(1, 21172746), (2, 10586373), (3, 7057582), (6, 3528791), (7, 3024678), (14, 1512339), (21, 1008226), (42, 504113), (331, 63966), (662, 31983), (993, 21322), (1523, 13902), (1986, 10661), (2317, 9138), (3046, 6951), (4569, 4634)]