21389832

素因数分解:

$2^3\times 3^5\times {\mathrm{11003}}^1$

素因数の和:11024

約数の個数: 48

約数和(自身を含む): 60081840

約数和(自身を除く): 38692008

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 27, 36, 54, 72, 81, 108, 162, 216, 243, 324, 486, 648, 972, 1944, 11003, 22006, 33009, 44012, 66018, 88024, 99027, 132036, 198054, 264072, 297081, 396108, 594162, 792216, 891243, 1188324, 1782486, 2376648, 2673729, 3564972, 5347458, 7129944, 10694916, 21389832]

約数ペア:

[(1, 21389832), (2, 10694916), (3, 7129944), (4, 5347458), (6, 3564972), (8, 2673729), (9, 2376648), (12, 1782486), (18, 1188324), (24, 891243), (27, 792216), (36, 594162), (54, 396108), (72, 297081), (81, 264072), (108, 198054), (162, 132036), (216, 99027), (243, 88024), (324, 66018), (486, 44012), (648, 33009), (972, 22006), (1944, 11003)]