21402213

素因数分解:

$3^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{73}}^1\times {\mathrm{607}}^1$

素因数の和:713

約数の個数: 32

約数和(自身を含む): 34553856

約数和(自身を除く): 13151643

約数列:

[1, 3, 7, 21, 23, 69, 73, 161, 219, 483, 511, 607, 1533, 1679, 1821, 4249, 5037, 11753, 12747, 13961, 35259, 41883, 44311, 97727, 132933, 293181, 310177, 930531, 1019153, 3057459, 7134071, 21402213]

約数ペア:

[(1, 21402213), (3, 7134071), (7, 3057459), (21, 1019153), (23, 930531), (69, 310177), (73, 293181), (161, 132933), (219, 97727), (483, 44311), (511, 41883), (607, 35259), (1533, 13961), (1679, 12747), (1821, 11753), (4249, 5037)]