21083357950

素因数分解:

$2^1\times 5^2\times {\mathrm{43}}^1\times {\mathrm{59}}^1\times {\mathrm{166207}}^1$

素因数の和:166321

約数の個数: 48

約数和(自身を含む): 40807388160

約数和(自身を除く): 19724030210

約数列:

[1, 2, 5, 10, 25, 43, 50, 59, 86, 118, 215, 295, 430, 590, 1075, 1475, 2150, 2537, 2950, 5074, 12685, 25370, 63425, 126850, 166207, 332414, 831035, 1662070, 4155175, 7146901, 8310350, 9806213, 14293802, 19612426, 35734505, 49031065, 71469010, 98062130, 178672525, 245155325, 357345050, 421667159, 490310650, 843334318, 2108335795, 4216671590, 10541678975, 21083357950]

約数ペア:

[(1, 21083357950), (2, 10541678975), (5, 4216671590), (10, 2108335795), (25, 843334318), (43, 490310650), (50, 421667159), (59, 357345050), (86, 245155325), (118, 178672525), (215, 98062130), (295, 71469010), (430, 49031065), (590, 35734505), (1075, 19612426), (1475, 14293802), (2150, 9806213), (2537, 8310350), (2950, 7146901), (5074, 4155175), (12685, 1662070), (25370, 831035), (63425, 332414), (126850, 166207)]