21272250

素因数分解:

$2^1\times 3^1\times 5^3\times {\mathrm{113}}^1\times {\mathrm{251}}^1$

素因数の和:384

約数の個数: 64

約数和(自身を含む): 53778816

約数和(自身を除く): 32506566

約数列:

[1, 2, 3, 5, 6, 10, 15, 25, 30, 50, 75, 113, 125, 150, 226, 250, 251, 339, 375, 502, 565, 678, 750, 753, 1130, 1255, 1506, 1695, 2510, 2825, 3390, 3765, 5650, 6275, 7530, 8475, 12550, 14125, 16950, 18825, 28250, 28363, 31375, 37650, 42375, 56726, 62750, 84750, 85089, 94125, 141815, 170178, 188250, 283630, 425445, 709075, 850890, 1418150, 2127225, 3545375, 4254450, 7090750, 10636125, 21272250]

約数ペア:

[(1, 21272250), (2, 10636125), (3, 7090750), (5, 4254450), (6, 3545375), (10, 2127225), (15, 1418150), (25, 850890), (30, 709075), (50, 425445), (75, 283630), (113, 188250), (125, 170178), (150, 141815), (226, 94125), (250, 85089), (251, 84750), (339, 62750), (375, 56726), (502, 42375), (565, 37650), (678, 31375), (750, 28363), (753, 28250), (1130, 18825), (1255, 16950), (1506, 14125), (1695, 12550), (2510, 8475), (2825, 7530), (3390, 6275), (3765, 5650)]