21496335

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{101}}^1\times {\mathrm{2027}}^1$

素因数の和:2143

約数の個数: 32

約数和(自身を含む): 39716352

約数和(自身を除く): 18220017

約数列:

[1, 3, 5, 7, 15, 21, 35, 101, 105, 303, 505, 707, 1515, 2027, 2121, 3535, 6081, 10135, 10605, 14189, 30405, 42567, 70945, 204727, 212835, 614181, 1023635, 1433089, 3070905, 4299267, 7165445, 21496335]

約数ペア:

[(1, 21496335), (3, 7165445), (5, 4299267), (7, 3070905), (15, 1433089), (21, 1023635), (35, 614181), (101, 212835), (105, 204727), (303, 70945), (505, 42567), (707, 30405), (1515, 14189), (2027, 10605), (2121, 10135), (3535, 6081)]