21035092

素因数分解:

$2^2\times {\mathrm{13}}^2\times {\mathrm{29}}^2\times {\mathrm{37}}^1$

素因数の和:125

約数の個数: 54

約数和(自身を含む): 42398538

約数和(自身を除く): 21363446

約数列:

[1, 2, 4, 13, 26, 29, 37, 52, 58, 74, 116, 148, 169, 338, 377, 481, 676, 754, 841, 962, 1073, 1508, 1682, 1924, 2146, 3364, 4292, 4901, 6253, 9802, 10933, 12506, 13949, 19604, 21866, 25012, 27898, 31117, 43732, 55796, 62234, 124468, 142129, 181337, 284258, 362674, 404521, 568516, 725348, 809042, 1618084, 5258773, 10517546, 21035092]

約数ペア:

[(1, 21035092), (2, 10517546), (4, 5258773), (13, 1618084), (26, 809042), (29, 725348), (37, 568516), (52, 404521), (58, 362674), (74, 284258), (116, 181337), (148, 142129), (169, 124468), (338, 62234), (377, 55796), (481, 43732), (676, 31117), (754, 27898), (841, 25012), (962, 21866), (1073, 19604), (1508, 13949), (1682, 12506), (1924, 10933), (2146, 9802), (3364, 6253), (4292, 4901)]