21018558

素因数分解:

$2^1\times 3^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{10273}}^1$

素因数の和:10320

約数の個数: 32

約数和(自身を含む): 47342592

約数和(自身を除く): 26324034

約数列:

[1, 2, 3, 6, 11, 22, 31, 33, 62, 66, 93, 186, 341, 682, 1023, 2046, 10273, 20546, 30819, 61638, 113003, 226006, 318463, 339009, 636926, 678018, 955389, 1910778, 3503093, 7006186, 10509279, 21018558]

約数ペア:

[(1, 21018558), (2, 10509279), (3, 7006186), (6, 3503093), (11, 1910778), (22, 955389), (31, 678018), (33, 636926), (62, 339009), (66, 318463), (93, 226006), (186, 113003), (341, 61638), (682, 30819), (1023, 20546), (2046, 10273)]