21563608

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{317}}^1\times {\mathrm{773}}^1$

素因数の和:1107

約数の個数: 32

約数和(自身を含む): 44303760

約数和(自身を除く): 22740152

約数列:

[1, 2, 4, 8, 11, 22, 44, 88, 317, 634, 773, 1268, 1546, 2536, 3092, 3487, 6184, 6974, 8503, 13948, 17006, 27896, 34012, 68024, 245041, 490082, 980164, 1960328, 2695451, 5390902, 10781804, 21563608]

約数ペア:

[(1, 21563608), (2, 10781804), (4, 5390902), (8, 2695451), (11, 1960328), (22, 980164), (44, 490082), (88, 245041), (317, 68024), (634, 34012), (773, 27896), (1268, 17006), (1546, 13948), (2536, 8503), (3092, 6974), (3487, 6184)]