21196294

素因数分解:

$2^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{65827}}^1$

素因数の和:65859

約数の個数: 16

約数和(自身を含む): 37916928

約数和(自身を除く): 16720634

約数列:

[1, 2, 7, 14, 23, 46, 161, 322, 65827, 131654, 460789, 921578, 1514021, 3028042, 10598147, 21196294]

約数ペア:

[(1, 21196294), (2, 10598147), (7, 3028042), (14, 1514021), (23, 921578), (46, 460789), (161, 131654), (322, 65827)]