21158438

素因数分解:

$2^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{4679}}^1$

素因数の和:4724

約数の個数: 32

約数和(自身を含む): 40435200

約数和(自身を除く): 19276762

約数列:

[1, 2, 7, 14, 17, 19, 34, 38, 119, 133, 238, 266, 323, 646, 2261, 4522, 4679, 9358, 32753, 65506, 79543, 88901, 159086, 177802, 556801, 622307, 1113602, 1244614, 1511317, 3022634, 10579219, 21158438]

約数ペア:

[(1, 21158438), (2, 10579219), (7, 3022634), (14, 1511317), (17, 1244614), (19, 1113602), (34, 622307), (38, 556801), (119, 177802), (133, 159086), (238, 88901), (266, 79543), (323, 65506), (646, 32753), (2261, 9358), (4522, 4679)]