21450786

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{331}}^1\times {\mathrm{1543}}^1$

素因数の和:1886

約数の個数: 32

約数和(自身を含む): 49210368

約数和(自身を除く): 27759582

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 331, 662, 993, 1543, 1986, 2317, 3086, 4629, 4634, 6951, 9258, 10801, 13902, 21602, 32403, 64806, 510733, 1021466, 1532199, 3064398, 3575131, 7150262, 10725393, 21450786]

約数ペア:

[(1, 21450786), (2, 10725393), (3, 7150262), (6, 3575131), (7, 3064398), (14, 1532199), (21, 1021466), (42, 510733), (331, 64806), (662, 32403), (993, 21602), (1543, 13902), (1986, 10801), (2317, 9258), (3086, 6951), (4629, 4634)]