21875168

素因数分解:

$2^5\times 7^3\times {\mathrm{1993}}^1$

素因数の和:2024

約数の個数: 48

約数和(自身を含む): 50248800

約数和(自身を除く): 28373632

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 49, 56, 98, 112, 196, 224, 343, 392, 686, 784, 1372, 1568, 1993, 2744, 3986, 5488, 7972, 10976, 13951, 15944, 27902, 31888, 55804, 63776, 97657, 111608, 195314, 223216, 390628, 446432, 683599, 781256, 1367198, 1562512, 2734396, 3125024, 5468792, 10937584, 21875168]

約数ペア:

[(1, 21875168), (2, 10937584), (4, 5468792), (7, 3125024), (8, 2734396), (14, 1562512), (16, 1367198), (28, 781256), (32, 683599), (49, 446432), (56, 390628), (98, 223216), (112, 195314), (196, 111608), (224, 97657), (343, 63776), (392, 55804), (686, 31888), (784, 27902), (1372, 15944), (1568, 13951), (1993, 10976), (2744, 7972), (3986, 5488)]