21384

素因数分解:

$2^3\times 3^5\times {\mathrm{11}}^1$

素因数の和:32

約数の個数: 48

約数和(自身を含む): 65520

約数和(自身を除く): 44136

約数列:

[1, 2, 3, 4, 6, 8, 9, 11, 12, 18, 22, 24, 27, 33, 36, 44, 54, 66, 72, 81, 88, 99, 108, 132, 162, 198, 216, 243, 264, 297, 324, 396, 486, 594, 648, 792, 891, 972, 1188, 1782, 1944, 2376, 2673, 3564, 5346, 7128, 10692, 21384]

約数ペア:

[(1, 21384), (2, 10692), (3, 7128), (4, 5346), (6, 3564), (8, 2673), (9, 2376), (11, 1944), (12, 1782), (18, 1188), (22, 972), (24, 891), (27, 792), (33, 648), (36, 594), (44, 486), (54, 396), (66, 324), (72, 297), (81, 264), (88, 243), (99, 216), (108, 198), (132, 162)]