21341730

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{41}}^1\times {\mathrm{17351}}^1$

素因数の和:17402

約数の個数: 32

約数和(自身を含む): 52472448

約数和(自身を除く): 31130718

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 41, 82, 123, 205, 246, 410, 615, 1230, 17351, 34702, 52053, 86755, 104106, 173510, 260265, 520530, 711391, 1422782, 2134173, 3556955, 4268346, 7113910, 10670865, 21341730]

約数ペア:

[(1, 21341730), (2, 10670865), (3, 7113910), (5, 4268346), (6, 3556955), (10, 2134173), (15, 1422782), (30, 711391), (41, 520530), (82, 260265), (123, 173510), (205, 104106), (246, 86755), (410, 52053), (615, 34702), (1230, 17351)]