21594903

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{53}}^1\times {\mathrm{12347}}^1$

素因数の和:12414

約数の個数: 16

約数和(自身を含む): 32006016

約数和(自身を除く): 10411113

約数列:

[1, 3, 11, 33, 53, 159, 583, 1749, 12347, 37041, 135817, 407451, 654391, 1963173, 7198301, 21594903]

約数ペア:

[(1, 21594903), (3, 7198301), (11, 1963173), (33, 654391), (53, 407451), (159, 135817), (583, 37041), (1749, 12347)]