2154390

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{10259}}^1$

素因数の和:10276

約数の個数: 32

約数和(自身を含む): 5909760

約数和(自身を除く): 3755370

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 21, 30, 35, 42, 70, 105, 210, 10259, 20518, 30777, 51295, 61554, 71813, 102590, 143626, 153885, 215439, 307770, 359065, 430878, 718130, 1077195, 2154390]

約数ペア:

[(1, 2154390), (2, 1077195), (3, 718130), (5, 430878), (6, 359065), (7, 307770), (10, 215439), (14, 153885), (15, 143626), (21, 102590), (30, 71813), (35, 61554), (42, 51295), (70, 30777), (105, 20518), (210, 10259)]