21551937

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{41}}^1\times {\mathrm{937}}^1$

素因数の和:1009

約数の個数: 32

約数和(自身を含む): 34038144

約数和(自身を除く): 12486207

約数列:

[1, 3, 11, 17, 33, 41, 51, 123, 187, 451, 561, 697, 937, 1353, 2091, 2811, 7667, 10307, 15929, 23001, 30921, 38417, 47787, 115251, 175219, 422587, 525657, 653089, 1267761, 1959267, 7183979, 21551937]

約数ペア:

[(1, 21551937), (3, 7183979), (11, 1959267), (17, 1267761), (33, 653089), (41, 525657), (51, 422587), (123, 175219), (187, 115251), (451, 47787), (561, 38417), (697, 30921), (937, 23001), (1353, 15929), (2091, 10307), (2811, 7667)]