21645400

素因数分解:

$2^3\times 5^2\times 7^1\times {\mathrm{15461}}^1$

素因数の和:15484

約数の個数: 48

約数和(自身を含む): 57518640

約数和(自身を除く): 35873240

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 25, 28, 35, 40, 50, 56, 70, 100, 140, 175, 200, 280, 350, 700, 1400, 15461, 30922, 61844, 77305, 108227, 123688, 154610, 216454, 309220, 386525, 432908, 541135, 618440, 773050, 865816, 1082270, 1546100, 2164540, 2705675, 3092200, 4329080, 5411350, 10822700, 21645400]

約数ペア:

[(1, 21645400), (2, 10822700), (4, 5411350), (5, 4329080), (7, 3092200), (8, 2705675), (10, 2164540), (14, 1546100), (20, 1082270), (25, 865816), (28, 773050), (35, 618440), (40, 541135), (50, 432908), (56, 386525), (70, 309220), (100, 216454), (140, 154610), (175, 123688), (200, 108227), (280, 77305), (350, 61844), (700, 30922), (1400, 15461)]