21618435

素因数分解:

$3^1\times 5^1\times {\mathrm{53}}^1\times {\mathrm{71}}^1\times {\mathrm{383}}^1$

素因数の和:515

約数の個数: 32

約数和(自身を含む): 35831808

約数和(自身を除く): 14213373

約数列:

[1, 3, 5, 15, 53, 71, 159, 213, 265, 355, 383, 795, 1065, 1149, 1915, 3763, 5745, 11289, 18815, 20299, 27193, 56445, 60897, 81579, 101495, 135965, 304485, 407895, 1441229, 4323687, 7206145, 21618435]

約数ペア:

[(1, 21618435), (3, 7206145), (5, 4323687), (15, 1441229), (53, 407895), (71, 304485), (159, 135965), (213, 101495), (265, 81579), (355, 60897), (383, 56445), (795, 27193), (1065, 20299), (1149, 18815), (1915, 11289), (3763, 5745)]