21083188

素因数分解:

$2^2\times 7^1\times {\mathrm{53}}^1\times {\mathrm{14207}}^1$

素因数の和:14271

約数の個数: 24

約数和(自身を含む): 42964992

約数和(自身を除く): 21881804

約数列:

[1, 2, 4, 7, 14, 28, 53, 106, 212, 371, 742, 1484, 14207, 28414, 56828, 99449, 198898, 397796, 752971, 1505942, 3011884, 5270797, 10541594, 21083188]

約数ペア:

[(1, 21083188), (2, 10541594), (4, 5270797), (7, 3011884), (14, 1505942), (28, 752971), (53, 397796), (106, 198898), (212, 99449), (371, 56828), (742, 28414), (1484, 14207)]