21588057

素因数分解:

$3^2\times {\mathrm{37}}^1\times {\mathrm{241}}^1\times {\mathrm{269}}^1$

素因数の和:553

約数の個数: 24

約数和(自身を含む): 32277960

約数和(自身を除く): 10689903

約数列:

[1, 3, 9, 37, 111, 241, 269, 333, 723, 807, 2169, 2421, 8917, 9953, 26751, 29859, 64829, 80253, 89577, 194487, 583461, 2398673, 7196019, 21588057]

約数ペア:

[(1, 21588057), (3, 7196019), (9, 2398673), (37, 583461), (111, 194487), (241, 89577), (269, 80253), (333, 64829), (723, 29859), (807, 26751), (2169, 9953), (2421, 8917)]