21419116

素因数分解:

$2^2\times {\mathrm{17}}^1\times {\mathrm{241}}^1\times {\mathrm{1307}}^1$

素因数の和:1569

約数の個数: 24

約数和(自身を含む): 39883536

約数和(自身を除く): 18464420

約数列:

[1, 2, 4, 17, 34, 68, 241, 482, 964, 1307, 2614, 4097, 5228, 8194, 16388, 22219, 44438, 88876, 314987, 629974, 1259948, 5354779, 10709558, 21419116]

約数ペア:

[(1, 21419116), (2, 10709558), (4, 5354779), (17, 1259948), (34, 629974), (68, 314987), (241, 88876), (482, 44438), (964, 22219), (1307, 16388), (2614, 8194), (4097, 5228)]