22153978

素因数分解:

$2^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{20551}}^1$

素因数の和:20578

約数の個数: 24

約数和(自身を含む): 42172704

約数和(自身を除く): 20018726

約数列:

[1, 2, 7, 11, 14, 22, 49, 77, 98, 154, 539, 1078, 20551, 41102, 143857, 226061, 287714, 452122, 1006999, 1582427, 2013998, 3164854, 11076989, 22153978]

約数ペア:

[(1, 22153978), (2, 11076989), (7, 3164854), (11, 2013998), (14, 1582427), (22, 1006999), (49, 452122), (77, 287714), (98, 226061), (154, 143857), (539, 41102), (1078, 20551)]