21027031604

素因数分解:

$2^2\times {\mathrm{17}}^1\times {\mathrm{571}}^1\times {\mathrm{541543}}^1$

素因数の和:542135

約数の個数: 24

約数和(自身を含む): 39030159168

約数和(自身を除く): 18003127564

約数列:

[1, 2, 4, 17, 34, 68, 571, 1142, 2284, 9707, 19414, 38828, 541543, 1083086, 2166172, 9206231, 18412462, 36824924, 309221053, 618442106, 1236884212, 5256757901, 10513515802, 21027031604]

約数ペア:

[(1, 21027031604), (2, 10513515802), (4, 5256757901), (17, 1236884212), (34, 618442106), (68, 309221053), (571, 36824924), (1142, 18412462), (2284, 9206231), (9707, 2166172), (19414, 1083086), (38828, 541543)]