21192236

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{127}}^1\times {\mathrm{3209}}^1$

素因数の和:3353

約数の個数: 24

約数和(自身を含む): 40266240

約数和(自身を除く): 19074004

約数列:

[1, 2, 4, 13, 26, 52, 127, 254, 508, 1651, 3209, 3302, 6418, 6604, 12836, 41717, 83434, 166868, 407543, 815086, 1630172, 5298059, 10596118, 21192236]

約数ペア:

[(1, 21192236), (2, 10596118), (4, 5298059), (13, 1630172), (26, 815086), (52, 407543), (127, 166868), (254, 83434), (508, 41717), (1651, 12836), (3209, 6604), (3302, 6418)]