21441278

素因数分解:

$2^1\times {\mathrm{37}}^2\times {\mathrm{41}}^1\times {\mathrm{191}}^1$

素因数の和:308

約数の個数: 24

約数和(自身を含む): 34038144

約数和(自身を除く): 12596866

約数列:

[1, 2, 37, 41, 74, 82, 191, 382, 1369, 1517, 2738, 3034, 7067, 7831, 14134, 15662, 56129, 112258, 261479, 289747, 522958, 579494, 10720639, 21441278]

約数ペア:

[(1, 21441278), (2, 10720639), (37, 579494), (41, 522958), (74, 289747), (82, 261479), (191, 112258), (382, 56129), (1369, 15662), (1517, 14134), (2738, 7831), (3034, 7067)]