21392714

素因数分解:

$2^1\times 7^2\times {\mathrm{23}}^1\times {\mathrm{9491}}^1$

素因数の和:9530

約数の個数: 24

約数和(自身を含む): 38955168

約数和(自身を除く): 17562454

約数列:

[1, 2, 7, 14, 23, 46, 49, 98, 161, 322, 1127, 2254, 9491, 18982, 66437, 132874, 218293, 436586, 465059, 930118, 1528051, 3056102, 10696357, 21392714]

約数ペア:

[(1, 21392714), (2, 10696357), (7, 3056102), (14, 1528051), (23, 930118), (46, 465059), (49, 436586), (98, 218293), (161, 132874), (322, 66437), (1127, 18982), (2254, 9491)]