21825968

素因数分解:

$2^4\times {\mathrm{71}}^1\times {\mathrm{19213}}^1$

素因数の和:19292

約数の個数: 20

約数和(自身を含む): 42885648

約数和(自身を除く): 21059680

約数列:

[1, 2, 4, 8, 16, 71, 142, 284, 568, 1136, 19213, 38426, 76852, 153704, 307408, 1364123, 2728246, 5456492, 10912984, 21825968]

約数ペア:

[(1, 21825968), (2, 10912984), (4, 5456492), (8, 2728246), (16, 1364123), (71, 307408), (142, 153704), (284, 76852), (568, 38426), (1136, 19213)]