21362288

素因数分解:

$2^4\times {\mathrm{307}}^1\times {\mathrm{4349}}^1$

素因数の和:4664

約数の個数: 20

約数和(自身を含む): 41533800

約数和(自身を除く): 20171512

約数列:

[1, 2, 4, 8, 16, 307, 614, 1228, 2456, 4349, 4912, 8698, 17396, 34792, 69584, 1335143, 2670286, 5340572, 10681144, 21362288]

約数ペア:

[(1, 21362288), (2, 10681144), (4, 5340572), (8, 2670286), (16, 1335143), (307, 69584), (614, 34792), (1228, 17396), (2456, 8698), (4349, 4912)]