21808642

素因数分解:

$2^1\times {\mathrm{59}}^1\times {\mathrm{421}}^1\times {\mathrm{439}}^1$

素因数の和:921

約数の個数: 16

約数和(自身を含む): 33422400

約数和(自身を除く): 11613758

約数列:

[1, 2, 59, 118, 421, 439, 842, 878, 24839, 25901, 49678, 51802, 184819, 369638, 10904321, 21808642]

約数ペア:

[(1, 21808642), (2, 10904321), (59, 369638), (118, 184819), (421, 51802), (439, 49678), (842, 25901), (878, 24839)]