21468518

素因数分解:

$2^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{167}}^1\times {\mathrm{199}}^1$

素因数の和:404

約数の個数: 32

約数和(自身を含む): 36288000

約数和(自身を除く): 14819482

約数列:

[1, 2, 17, 19, 34, 38, 167, 199, 323, 334, 398, 646, 2839, 3173, 3383, 3781, 5678, 6346, 6766, 7562, 33233, 53941, 64277, 66466, 107882, 128554, 564961, 631427, 1129922, 1262854, 10734259, 21468518]

約数ペア:

[(1, 21468518), (2, 10734259), (17, 1262854), (19, 1129922), (34, 631427), (38, 564961), (167, 128554), (199, 107882), (323, 66466), (334, 64277), (398, 53941), (646, 33233), (2839, 7562), (3173, 6766), (3383, 6346), (3781, 5678)]