21052342

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{53}}^1\times {\mathrm{10453}}^1$

素因数の和:10527

約数の個数: 16

約数和(自身を含む): 33870960

約数和(自身を除く): 12818618

約数列:

[1, 2, 19, 38, 53, 106, 1007, 2014, 10453, 20906, 198607, 397214, 554009, 1108018, 10526171, 21052342]

約数ペア:

[(1, 21052342), (2, 10526171), (19, 1108018), (38, 554009), (53, 397214), (106, 198607), (1007, 20906), (2014, 10453)]