21876304

素因数分解:

$2^4\times {\mathrm{67}}^1\times {\mathrm{20407}}^1$

素因数の和:20482

約数の個数: 20

約数和(自身を含む): 43020064

約数和(自身を除く): 21143760

約数列:

[1, 2, 4, 8, 16, 67, 134, 268, 536, 1072, 20407, 40814, 81628, 163256, 326512, 1367269, 2734538, 5469076, 10938152, 21876304]

約数ペア:

[(1, 21876304), (2, 10938152), (4, 5469076), (8, 2734538), (16, 1367269), (67, 326512), (134, 163256), (268, 81628), (536, 40814), (1072, 20407)]