21840536

素因数分解:

$2^3\times {\mathrm{41}}^1\times {\mathrm{66587}}^1$

素因数の和:66634

約数の個数: 16

約数和(自身を含む): 41950440

約数和(自身を除く): 20109904

約数列:

[1, 2, 4, 8, 41, 82, 164, 328, 66587, 133174, 266348, 532696, 2730067, 5460134, 10920268, 21840536]

約数ペア:

[(1, 21840536), (2, 10920268), (4, 5460134), (8, 2730067), (41, 532696), (82, 266348), (164, 133174), (328, 66587)]