21916348

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{53}}^1\times {\mathrm{5441}}^1$

素因数の和:5517

約数の個数: 24

約数和(自身を含む): 41141520

約数和(自身を除く): 19225172

約数列:

[1, 2, 4, 19, 38, 53, 76, 106, 212, 1007, 2014, 4028, 5441, 10882, 21764, 103379, 206758, 288373, 413516, 576746, 1153492, 5479087, 10958174, 21916348]

約数ペア:

[(1, 21916348), (2, 10958174), (4, 5479087), (19, 1153492), (38, 576746), (53, 413516), (76, 288373), (106, 206758), (212, 103379), (1007, 21764), (2014, 10882), (4028, 5441)]