21489314

素因数分解:

$2^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{6067}}^1$

素因数の和:6110

約数の個数: 32

約数和(自身を含む): 41942016

約数和(自身を除く): 20452702

約数列:

[1, 2, 7, 11, 14, 22, 23, 46, 77, 154, 161, 253, 322, 506, 1771, 3542, 6067, 12134, 42469, 66737, 84938, 133474, 139541, 279082, 467159, 934318, 976787, 1534951, 1953574, 3069902, 10744657, 21489314]

約数ペア:

[(1, 21489314), (2, 10744657), (7, 3069902), (11, 1953574), (14, 1534951), (22, 976787), (23, 934318), (46, 467159), (77, 279082), (154, 139541), (161, 133474), (253, 84938), (322, 66737), (506, 42469), (1771, 12134), (3542, 6067)]