21006078

素因数分解:

$2^1\times 3^1\times {\mathrm{431}}^1\times {\mathrm{8123}}^1$

素因数の和:8559

約数の個数: 16

約数和(自身を含む): 42114816

約数和(自身を除く): 21108738

約数列:

[1, 2, 3, 6, 431, 862, 1293, 2586, 8123, 16246, 24369, 48738, 3501013, 7002026, 10503039, 21006078]

約数ペア:

[(1, 21006078), (2, 10503039), (3, 7002026), (6, 3501013), (431, 48738), (862, 24369), (1293, 16246), (2586, 8123)]