21341516

素因数分解:

$2^2\times 7^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{1069}}^1$

素因数の和:1134

約数の個数: 48

約数和(自身を含む): 46018560

約数和(自身を除く): 24677044

約数列:

[1, 2, 4, 7, 14, 23, 28, 31, 46, 62, 92, 124, 161, 217, 322, 434, 644, 713, 868, 1069, 1426, 2138, 2852, 4276, 4991, 7483, 9982, 14966, 19964, 24587, 29932, 33139, 49174, 66278, 98348, 132556, 172109, 231973, 344218, 463946, 688436, 762197, 927892, 1524394, 3048788, 5335379, 10670758, 21341516]

約数ペア:

[(1, 21341516), (2, 10670758), (4, 5335379), (7, 3048788), (14, 1524394), (23, 927892), (28, 762197), (31, 688436), (46, 463946), (62, 344218), (92, 231973), (124, 172109), (161, 132556), (217, 98348), (322, 66278), (434, 49174), (644, 33139), (713, 29932), (868, 24587), (1069, 19964), (1426, 14966), (2138, 9982), (2852, 7483), (4276, 4991)]