2021291288

素因数分解:

$2^3\times {\mathrm{19}}^1\times {\mathrm{13297969}}^1$

素因数の和:13297994

約数の個数: 16

約数和(自身を含む): 3989391000

約数和(自身を除く): 1968099712

約数列:

[1, 2, 4, 8, 19, 38, 76, 152, 13297969, 26595938, 53191876, 106383752, 252661411, 505322822, 1010645644, 2021291288]

約数ペア:

[(1, 2021291288), (2, 1010645644), (4, 505322822), (8, 252661411), (19, 106383752), (38, 53191876), (76, 26595938), (152, 13297969)]