21471646

素因数分解:

$2^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{90217}}^1$

素因数の和:90243

約数の個数: 16

約数和(自身を含む): 38974176

約数和(自身を除く): 17502530

約数列:

[1, 2, 7, 14, 17, 34, 119, 238, 90217, 180434, 631519, 1263038, 1533689, 3067378, 10735823, 21471646]

約数ペア:

[(1, 21471646), (2, 10735823), (7, 3067378), (14, 1533689), (17, 1263038), (34, 631519), (119, 180434), (238, 90217)]