21708402142

素因数分解:

$2^1\times 7^1\times {\mathrm{641}}^1\times {\mathrm{2419033}}^1$

素因数の和:2419683

約数の個数: 16

約数和(自身を含む): 37272475872

約数和(自身を除く): 15564073730

約数列:

[1, 2, 7, 14, 641, 1282, 4487, 8974, 2419033, 4838066, 16933231, 33866462, 1550600153, 3101200306, 10854201071, 21708402142]

約数ペア:

[(1, 21708402142), (2, 10854201071), (7, 3101200306), (14, 1550600153), (641, 33866462), (1282, 16933231), (4487, 4838066), (8974, 2419033)]