21501456

素因数分解:

$2^4\times 3^1\times {\mathrm{103}}^1\times {\mathrm{4349}}^1$

素因数の和:4463

約数の個数: 40

約数和(自身を含む): 56097600

約数和(自身を除く): 34596144

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 48, 103, 206, 309, 412, 618, 824, 1236, 1648, 2472, 4349, 4944, 8698, 13047, 17396, 26094, 34792, 52188, 69584, 104376, 208752, 447947, 895894, 1343841, 1791788, 2687682, 3583576, 5375364, 7167152, 10750728, 21501456]

約数ペア:

[(1, 21501456), (2, 10750728), (3, 7167152), (4, 5375364), (6, 3583576), (8, 2687682), (12, 1791788), (16, 1343841), (24, 895894), (48, 447947), (103, 208752), (206, 104376), (309, 69584), (412, 52188), (618, 34792), (824, 26094), (1236, 17396), (1648, 13047), (2472, 8698), (4349, 4944)]