21437752

素因数分解:

$2^3\times 7^1\times {\mathrm{41}}^1\times {\mathrm{9337}}^1$

素因数の和:9391

約数の個数: 32

約数和(自身を含む): 47063520

約数和(自身を除く): 25625768

約数列:

[1, 2, 4, 7, 8, 14, 28, 41, 56, 82, 164, 287, 328, 574, 1148, 2296, 9337, 18674, 37348, 65359, 74696, 130718, 261436, 382817, 522872, 765634, 1531268, 2679719, 3062536, 5359438, 10718876, 21437752]

約数ペア:

[(1, 21437752), (2, 10718876), (4, 5359438), (7, 3062536), (8, 2679719), (14, 1531268), (28, 765634), (41, 522872), (56, 382817), (82, 261436), (164, 130718), (287, 74696), (328, 65359), (574, 37348), (1148, 18674), (2296, 9337)]