21680250

素因数分解:

$2^1\times 3^1\times 5^3\times {\mathrm{137}}^1\times {\mathrm{211}}^1$

素因数の和:368

約数の個数: 64

約数和(自身を含む): 54767232

約数和(自身を除く): 33086982

約数列:

[1, 2, 3, 5, 6, 10, 15, 25, 30, 50, 75, 125, 137, 150, 211, 250, 274, 375, 411, 422, 633, 685, 750, 822, 1055, 1266, 1370, 2055, 2110, 3165, 3425, 4110, 5275, 6330, 6850, 10275, 10550, 15825, 17125, 20550, 26375, 28907, 31650, 34250, 51375, 52750, 57814, 79125, 86721, 102750, 144535, 158250, 173442, 289070, 433605, 722675, 867210, 1445350, 2168025, 3613375, 4336050, 7226750, 10840125, 21680250]

約数ペア:

[(1, 21680250), (2, 10840125), (3, 7226750), (5, 4336050), (6, 3613375), (10, 2168025), (15, 1445350), (25, 867210), (30, 722675), (50, 433605), (75, 289070), (125, 173442), (137, 158250), (150, 144535), (211, 102750), (250, 86721), (274, 79125), (375, 57814), (411, 52750), (422, 51375), (633, 34250), (685, 31650), (750, 28907), (822, 26375), (1055, 20550), (1266, 17125), (1370, 15825), (2055, 10550), (2110, 10275), (3165, 6850), (3425, 6330), (4110, 5275)]