21695690

素因数分解:

$2^1\times 5^1\times {\mathrm{37}}^1\times {\mathrm{191}}^1\times {\mathrm{307}}^1$

素因数の和:542

約数の個数: 32

約数和(自身を含む): 40449024

約数和(自身を除く): 18753334

約数列:

[1, 2, 5, 10, 37, 74, 185, 191, 307, 370, 382, 614, 955, 1535, 1910, 3070, 7067, 11359, 14134, 22718, 35335, 56795, 58637, 70670, 113590, 117274, 293185, 586370, 2169569, 4339138, 10847845, 21695690]

約数ペア:

[(1, 21695690), (2, 10847845), (5, 4339138), (10, 2169569), (37, 586370), (74, 293185), (185, 117274), (191, 113590), (307, 70670), (370, 58637), (382, 56795), (614, 35335), (955, 22718), (1535, 14134), (1910, 11359), (3070, 7067)]