21717524

素因数分解:

$2^2\times {\mathrm{97}}^1\times {\mathrm{223}}^1\times {\mathrm{251}}^1$

素因数の和:575

約数の個数: 24

約数和(自身を含む): 38723328

約数和(自身を除く): 17005804

約数列:

[1, 2, 4, 97, 194, 223, 251, 388, 446, 502, 892, 1004, 21631, 24347, 43262, 48694, 55973, 86524, 97388, 111946, 223892, 5429381, 10858762, 21717524]

約数ペア:

[(1, 21717524), (2, 10858762), (4, 5429381), (97, 223892), (194, 111946), (223, 97388), (251, 86524), (388, 55973), (446, 48694), (502, 43262), (892, 24347), (1004, 21631)]