21061453

素因数分解:

$7^1\times {\mathrm{17}}^2\times {\mathrm{29}}^1\times {\mathrm{359}}^1$

素因数の和:429

約数の個数: 24

約数和(自身を含む): 26524800

約数和(自身を除く): 5463347

約数列:

[1, 7, 17, 29, 119, 203, 289, 359, 493, 2023, 2513, 3451, 6103, 8381, 10411, 42721, 58667, 72877, 103751, 176987, 726257, 1238909, 3008779, 21061453]

約数ペア:

[(1, 21061453), (7, 3008779), (17, 1238909), (29, 726257), (119, 176987), (203, 103751), (289, 72877), (359, 58667), (493, 42721), (2023, 10411), (2513, 8381), (3451, 6103)]