21087735

素因数分解:

$3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{41}}^1\times {\mathrm{2017}}^1$

素因数の和:2083

約数の個数: 32

約数和(自身を含む): 36614592

約数和(自身を除く): 15526857

約数列:

[1, 3, 5, 15, 17, 41, 51, 85, 123, 205, 255, 615, 697, 2017, 2091, 3485, 6051, 10085, 10455, 30255, 34289, 82697, 102867, 171445, 248091, 413485, 514335, 1240455, 1405849, 4217547, 7029245, 21087735]

約数ペア:

[(1, 21087735), (3, 7029245), (5, 4217547), (15, 1405849), (17, 1240455), (41, 514335), (51, 413485), (85, 248091), (123, 171445), (205, 102867), (255, 82697), (615, 34289), (697, 30255), (2017, 10455), (2091, 10085), (3485, 6051)]