21000470425

素因数分解:

$5^2\times {\mathrm{11}}^1\times {\mathrm{823}}^1\times {\mathrm{92789}}^1$

素因数の和:93633

約数の個数: 24

約数和(自身を含む): 28442733120

約数和(自身を除く): 7442262695

約数列:

[1, 5, 11, 25, 55, 275, 823, 4115, 9053, 20575, 45265, 92789, 226325, 463945, 1020679, 2319725, 5103395, 25516975, 76365347, 381826735, 840018817, 1909133675, 4200094085, 21000470425]

約数ペア:

[(1, 21000470425), (5, 4200094085), (11, 1909133675), (25, 840018817), (55, 381826735), (275, 76365347), (823, 25516975), (4115, 5103395), (9053, 2319725), (20575, 1020679), (45265, 463945), (92789, 226325)]