21208500

素因数分解:

$2^2\times 3^3\times 5^3\times {\mathrm{1571}}^1$

素因数の和:1599

約数の個数: 96

約数和(自身を含む): 68664960

約数和(自身を除く): 47456460

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 25, 27, 30, 36, 45, 50, 54, 60, 75, 90, 100, 108, 125, 135, 150, 180, 225, 250, 270, 300, 375, 450, 500, 540, 675, 750, 900, 1125, 1350, 1500, 1571, 2250, 2700, 3142, 3375, 4500, 4713, 6284, 6750, 7855, 9426, 13500, 14139, 15710, 18852, 23565, 28278, 31420, 39275, 42417, 47130, 56556, 70695, 78550, 84834, 94260, 117825, 141390, 157100, 169668, 196375, 212085, 235650, 282780, 353475, 392750, 424170, 471300, 589125, 706950, 785500, 848340, 1060425, 1178250, 1413900, 1767375, 2120850, 2356500, 3534750, 4241700, 5302125, 7069500, 10604250, 21208500]

約数ペア:

[(1, 21208500), (2, 10604250), (3, 7069500), (4, 5302125), (5, 4241700), (6, 3534750), (9, 2356500), (10, 2120850), (12, 1767375), (15, 1413900), (18, 1178250), (20, 1060425), (25, 848340), (27, 785500), (30, 706950), (36, 589125), (45, 471300), (50, 424170), (54, 392750), (60, 353475), (75, 282780), (90, 235650), (100, 212085), (108, 196375), (125, 169668), (135, 157100), (150, 141390), (180, 117825), (225, 94260), (250, 84834), (270, 78550), (300, 70695), (375, 56556), (450, 47130), (500, 42417), (540, 39275), (675, 31420), (750, 28278), (900, 23565), (1125, 18852), (1350, 15710), (1500, 14139), (1571, 13500), (2250, 9426), (2700, 7855), (3142, 6750), (3375, 6284), (4500, 4713)]