21104896

素因数分解:

$2^8\times {\mathrm{19}}^1\times {\mathrm{4339}}^1$

素因数の和:4374

約数の個数: 36

約数和(自身を含む): 44354800

約数和(自身を除く): 23249904

約数列:

[1, 2, 4, 8, 16, 19, 32, 38, 64, 76, 128, 152, 256, 304, 608, 1216, 2432, 4339, 4864, 8678, 17356, 34712, 69424, 82441, 138848, 164882, 277696, 329764, 555392, 659528, 1110784, 1319056, 2638112, 5276224, 10552448, 21104896]

約数ペア:

[(1, 21104896), (2, 10552448), (4, 5276224), (8, 2638112), (16, 1319056), (19, 1110784), (32, 659528), (38, 555392), (64, 329764), (76, 277696), (128, 164882), (152, 138848), (256, 82441), (304, 69424), (608, 34712), (1216, 17356), (2432, 8678), (4339, 4864)]