21573450

素因数分解:

$2^1\times 3^2\times 5^2\times {\mathrm{191}}^1\times {\mathrm{251}}^1$

素因数の和:460

約数の個数: 72

約数和(自身を含む): 58496256

約数和(自身を除く): 36922806

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 25, 30, 45, 50, 75, 90, 150, 191, 225, 251, 382, 450, 502, 573, 753, 955, 1146, 1255, 1506, 1719, 1910, 2259, 2510, 2865, 3438, 3765, 4518, 4775, 5730, 6275, 7530, 8595, 9550, 11295, 12550, 14325, 17190, 18825, 22590, 28650, 37650, 42975, 47941, 56475, 85950, 95882, 112950, 143823, 239705, 287646, 431469, 479410, 719115, 862938, 1198525, 1438230, 2157345, 2397050, 3595575, 4314690, 7191150, 10786725, 21573450]

約数ペア:

[(1, 21573450), (2, 10786725), (3, 7191150), (5, 4314690), (6, 3595575), (9, 2397050), (10, 2157345), (15, 1438230), (18, 1198525), (25, 862938), (30, 719115), (45, 479410), (50, 431469), (75, 287646), (90, 239705), (150, 143823), (191, 112950), (225, 95882), (251, 85950), (382, 56475), (450, 47941), (502, 42975), (573, 37650), (753, 28650), (955, 22590), (1146, 18825), (1255, 17190), (1506, 14325), (1719, 12550), (1910, 11295), (2259, 9550), (2510, 8595), (2865, 7530), (3438, 6275), (3765, 5730), (4518, 4775)]