21493684

素因数分解:

$2^2\times {\mathrm{23}}^1\times {\mathrm{307}}^1\times {\mathrm{761}}^1$

素因数の和:1095

約数の個数: 24

約数和(自身を含む): 39428928

約数和(自身を除く): 17935244

約数列:

[1, 2, 4, 23, 46, 92, 307, 614, 761, 1228, 1522, 3044, 7061, 14122, 17503, 28244, 35006, 70012, 233627, 467254, 934508, 5373421, 10746842, 21493684]

約数ペア:

[(1, 21493684), (2, 10746842), (4, 5373421), (23, 934508), (46, 467254), (92, 233627), (307, 70012), (614, 35006), (761, 28244), (1228, 17503), (1522, 14122), (3044, 7061)]