21575835

素因数分解:

$3^3\times 5^1\times {\mathrm{71}}^1\times {\mathrm{2251}}^1$

素因数の和:2336

約数の個数: 32

約数和(自身を含む): 38914560

約数和(自身を除く): 17338725

約数列:

[1, 3, 5, 9, 15, 27, 45, 71, 135, 213, 355, 639, 1065, 1917, 2251, 3195, 6753, 9585, 11255, 20259, 33765, 60777, 101295, 159821, 303885, 479463, 799105, 1438389, 2397315, 4315167, 7191945, 21575835]

約数ペア:

[(1, 21575835), (3, 7191945), (5, 4315167), (9, 2397315), (15, 1438389), (27, 799105), (45, 479463), (71, 303885), (135, 159821), (213, 101295), (355, 60777), (639, 33765), (1065, 20259), (1917, 11255), (2251, 9585), (3195, 6753)]