21426999

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{53}}^1\times {\mathrm{12251}}^1$

素因数の和:12318

約数の個数: 16

約数和(自身を含む): 31757184

約数和(自身を除く): 10330185

約数列:

[1, 3, 11, 33, 53, 159, 583, 1749, 12251, 36753, 134761, 404283, 649303, 1947909, 7142333, 21426999]

約数ペア:

[(1, 21426999), (3, 7142333), (11, 1947909), (33, 649303), (53, 404283), (159, 134761), (583, 36753), (1749, 12251)]