21860810

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{5591}}^1$

素因数の和:5638

約数の個数: 32

約数和(自身を含む): 43483392

約数和(自身を除く): 21622582

約数列:

[1, 2, 5, 10, 17, 23, 34, 46, 85, 115, 170, 230, 391, 782, 1955, 3910, 5591, 11182, 27955, 55910, 95047, 128593, 190094, 257186, 475235, 642965, 950470, 1285930, 2186081, 4372162, 10930405, 21860810]

約数ペア:

[(1, 21860810), (2, 10930405), (5, 4372162), (10, 2186081), (17, 1285930), (23, 950470), (34, 642965), (46, 475235), (85, 257186), (115, 190094), (170, 128593), (230, 95047), (391, 55910), (782, 27955), (1955, 11182), (3910, 5591)]