21752673

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{41}}^1\times {\mathrm{101}}^1\times {\mathrm{103}}^1$

素因数の和:265

約数の個数: 32

約数和(自身を含む): 32078592

約数和(自身を除く): 10325919

約数列:

[1, 3, 17, 41, 51, 101, 103, 123, 303, 309, 697, 1717, 1751, 2091, 4141, 4223, 5151, 5253, 10403, 12423, 12669, 31209, 70397, 71791, 176851, 211191, 215373, 426523, 530553, 1279569, 7250891, 21752673]

約数ペア:

[(1, 21752673), (3, 7250891), (17, 1279569), (41, 530553), (51, 426523), (101, 215373), (103, 211191), (123, 176851), (303, 71791), (309, 70397), (697, 31209), (1717, 12669), (1751, 12423), (2091, 10403), (4141, 5253), (4223, 5151)]