2521890

素因数分解:

$2^1\times 3^2\times 5^1\times 7^1\times {\mathrm{4003}}^1$

素因数の和:4023

約数の個数: 48

約数和(自身を含む): 7495488

約数和(自身を除く): 4973598

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 14, 15, 18, 21, 30, 35, 42, 45, 63, 70, 90, 105, 126, 210, 315, 630, 4003, 8006, 12009, 20015, 24018, 28021, 36027, 40030, 56042, 60045, 72054, 84063, 120090, 140105, 168126, 180135, 252189, 280210, 360270, 420315, 504378, 840630, 1260945, 2521890]

約数ペア:

[(1, 2521890), (2, 1260945), (3, 840630), (5, 504378), (6, 420315), (7, 360270), (9, 280210), (10, 252189), (14, 180135), (15, 168126), (18, 140105), (21, 120090), (30, 84063), (35, 72054), (42, 60045), (45, 56042), (63, 40030), (70, 36027), (90, 28021), (105, 24018), (126, 20015), (210, 12009), (315, 8006), (630, 4003)]