21606372

素因数分解:

$2^2\times 3^3\times {\mathrm{37}}^1\times {\mathrm{5407}}^1$

素因数の和:5457

約数の個数: 48

約数和(自身を含む): 57541120

約数和(自身を除く): 35934748

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 27, 36, 37, 54, 74, 108, 111, 148, 222, 333, 444, 666, 999, 1332, 1998, 3996, 5407, 10814, 16221, 21628, 32442, 48663, 64884, 97326, 145989, 194652, 200059, 291978, 400118, 583956, 600177, 800236, 1200354, 1800531, 2400708, 3601062, 5401593, 7202124, 10803186, 21606372]

約数ペア:

[(1, 21606372), (2, 10803186), (3, 7202124), (4, 5401593), (6, 3601062), (9, 2400708), (12, 1800531), (18, 1200354), (27, 800236), (36, 600177), (37, 583956), (54, 400118), (74, 291978), (108, 200059), (111, 194652), (148, 145989), (222, 97326), (333, 64884), (444, 48663), (666, 32442), (999, 21628), (1332, 16221), (1998, 10814), (3996, 5407)]