21048652814

素因数分解:

$2^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{65368487}}^1$

素因数の和:65368519

約数の個数: 16

約数和(自身を含む): 37652249088

約数和(自身を除く): 16603596274

約数列:

[1, 2, 7, 14, 23, 46, 161, 322, 65368487, 130736974, 457579409, 915158818, 1503475201, 3006950402, 10524326407, 21048652814]

約数ペア:

[(1, 21048652814), (2, 10524326407), (7, 3006950402), (14, 1503475201), (23, 915158818), (46, 457579409), (161, 130736974), (322, 65368487)]