21752685

素因数分解:

$3^3\times 5^1\times {\mathrm{269}}^1\times {\mathrm{599}}^1$

素因数の和:882

約数の個数: 32

約数和(自身を含む): 38880000

約数和(自身を除く): 17127315

約数列:

[1, 3, 5, 9, 15, 27, 45, 135, 269, 599, 807, 1345, 1797, 2421, 2995, 4035, 5391, 7263, 8985, 12105, 16173, 26955, 36315, 80865, 161131, 483393, 805655, 1450179, 2416965, 4350537, 7250895, 21752685]

約数ペア:

[(1, 21752685), (3, 7250895), (5, 4350537), (9, 2416965), (15, 1450179), (27, 805655), (45, 483393), (135, 161131), (269, 80865), (599, 36315), (807, 26955), (1345, 16173), (1797, 12105), (2421, 8985), (2995, 7263), (4035, 5391)]