21167005448

素因数分解:

$2^3\times {\mathrm{653}}^1\times {\mathrm{4051877}}^1$

素因数の和:4052536

約数の個数: 16

約数和(自身を含む): 39748923180

約数和(自身を除く): 18581917732

約数列:

[1, 2, 4, 8, 653, 1306, 2612, 5224, 4051877, 8103754, 16207508, 32415016, 2645875681, 5291751362, 10583502724, 21167005448]

約数ペア:

[(1, 21167005448), (2, 10583502724), (4, 5291751362), (8, 2645875681), (653, 32415016), (1306, 16207508), (2612, 8103754), (5224, 4051877)]