21000643168

素因数分解:

$2^5\times {\mathrm{18433}}^1\times {\mathrm{35603}}^1$

素因数の和:54046

約数の個数: 24

約数和(自身を含む): 41348420568

約数和(自身を除く): 20347777400

約数列:

[1, 2, 4, 8, 16, 32, 18433, 35603, 36866, 71206, 73732, 142412, 147464, 284824, 294928, 569648, 589856, 1139296, 656270099, 1312540198, 2625080396, 5250160792, 10500321584, 21000643168]

約数ペア:

[(1, 21000643168), (2, 10500321584), (4, 5250160792), (8, 2625080396), (16, 1312540198), (32, 656270099), (18433, 1139296), (35603, 589856), (36866, 569648), (71206, 294928), (73732, 284824), (142412, 147464)]