21621246

素因数分解:

$2^1\times 3^1\times {\mathrm{17}}^2\times {\mathrm{37}}^1\times {\mathrm{337}}^1$

素因数の和:413

約数の個数: 48

約数和(自身を含む): 47317296

約数和(自身を除く): 25696050

約数列:

[1, 2, 3, 6, 17, 34, 37, 51, 74, 102, 111, 222, 289, 337, 578, 629, 674, 867, 1011, 1258, 1734, 1887, 2022, 3774, 5729, 10693, 11458, 12469, 17187, 21386, 24938, 32079, 34374, 37407, 64158, 74814, 97393, 194786, 211973, 292179, 423946, 584358, 635919, 1271838, 3603541, 7207082, 10810623, 21621246]

約数ペア:

[(1, 21621246), (2, 10810623), (3, 7207082), (6, 3603541), (17, 1271838), (34, 635919), (37, 584358), (51, 423946), (74, 292179), (102, 211973), (111, 194786), (222, 97393), (289, 74814), (337, 64158), (578, 37407), (629, 34374), (674, 32079), (867, 24938), (1011, 21386), (1258, 17187), (1734, 12469), (1887, 11458), (2022, 10693), (3774, 5729)]