21460500

素因数分解:

$2^2\times 3^2\times 5^3\times {\mathrm{19}}^1\times {\mathrm{251}}^1$

素因数の和:295

約数の個数: 144

約数和(自身を含む): 71547840

約数和(自身を除く): 50087340

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 19, 20, 25, 30, 36, 38, 45, 50, 57, 60, 75, 76, 90, 95, 100, 114, 125, 150, 171, 180, 190, 225, 228, 250, 251, 285, 300, 342, 375, 380, 450, 475, 500, 502, 570, 684, 750, 753, 855, 900, 950, 1004, 1125, 1140, 1255, 1425, 1500, 1506, 1710, 1900, 2250, 2259, 2375, 2510, 2850, 3012, 3420, 3765, 4275, 4500, 4518, 4750, 4769, 5020, 5700, 6275, 7125, 7530, 8550, 9036, 9500, 9538, 11295, 12550, 14250, 14307, 15060, 17100, 18825, 19076, 21375, 22590, 23845, 25100, 28500, 28614, 31375, 37650, 42750, 42921, 45180, 47690, 56475, 57228, 62750, 71535, 75300, 85500, 85842, 94125, 95380, 112950, 119225, 125500, 143070, 171684, 188250, 214605, 225900, 238450, 282375, 286140, 357675, 376500, 429210, 476900, 564750, 596125, 715350, 858420, 1073025, 1129500, 1192250, 1430700, 1788375, 2146050, 2384500, 3576750, 4292100, 5365125, 7153500, 10730250, 21460500]

約数ペア:

[(1, 21460500), (2, 10730250), (3, 7153500), (4, 5365125), (5, 4292100), (6, 3576750), (9, 2384500), (10, 2146050), (12, 1788375), (15, 1430700), (18, 1192250), (19, 1129500), (20, 1073025), (25, 858420), (30, 715350), (36, 596125), (38, 564750), (45, 476900), (50, 429210), (57, 376500), (60, 357675), (75, 286140), (76, 282375), (90, 238450), (95, 225900), (100, 214605), (114, 188250), (125, 171684), (150, 143070), (171, 125500), (180, 119225), (190, 112950), (225, 95380), (228, 94125), (250, 85842), (251, 85500), (285, 75300), (300, 71535), (342, 62750), (375, 57228), (380, 56475), (450, 47690), (475, 45180), (500, 42921), (502, 42750), (570, 37650), (684, 31375), (750, 28614), (753, 28500), (855, 25100), (900, 23845), (950, 22590), (1004, 21375), (1125, 19076), (1140, 18825), (1255, 17100), (1425, 15060), (1500, 14307), (1506, 14250), (1710, 12550), (1900, 11295), (2250, 9538), (2259, 9500), (2375, 9036), (2510, 8550), (2850, 7530), (3012, 7125), (3420, 6275), (3765, 5700), (4275, 5020), (4500, 4769), (4518, 4750)]