21693994

素因数分解:

$2^1\times 7^1\times {\mathrm{73}}^1\times {\mathrm{21227}}^1$

素因数の和:21309

約数の個数: 16

約数和(自身を含む): 37700928

約数和(自身を除く): 16006934

約数列:

[1, 2, 7, 14, 73, 146, 511, 1022, 21227, 42454, 148589, 297178, 1549571, 3099142, 10846997, 21693994]

約数ペア:

[(1, 21693994), (2, 10846997), (7, 3099142), (14, 1549571), (73, 297178), (146, 148589), (511, 42454), (1022, 21227)]