21906080

素因数分解:

$2^5\times 5^1\times 7^1\times {\mathrm{19559}}^1$

素因数の和:19581

約数の個数: 48

約数和(自身を含む): 59149440

約数和(自身を除く): 37243360

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 70, 80, 112, 140, 160, 224, 280, 560, 1120, 19559, 39118, 78236, 97795, 136913, 156472, 195590, 273826, 312944, 391180, 547652, 625888, 684565, 782360, 1095304, 1369130, 1564720, 2190608, 2738260, 3129440, 4381216, 5476520, 10953040, 21906080]

約数ペア:

[(1, 21906080), (2, 10953040), (4, 5476520), (5, 4381216), (7, 3129440), (8, 2738260), (10, 2190608), (14, 1564720), (16, 1369130), (20, 1095304), (28, 782360), (32, 684565), (35, 625888), (40, 547652), (56, 391180), (70, 312944), (80, 273826), (112, 195590), (140, 156472), (160, 136913), (224, 97795), (280, 78236), (560, 39118), (1120, 19559)]