21154050

素因数分解:

$2^1\times 3^2\times 5^2\times {\mathrm{29}}^1\times {\mathrm{1621}}^1$

素因数の和:1668

約数の個数: 72

約数和(自身を含む): 58829940

約数和(自身を除く): 37675890

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 25, 29, 30, 45, 50, 58, 75, 87, 90, 145, 150, 174, 225, 261, 290, 435, 450, 522, 725, 870, 1305, 1450, 1621, 2175, 2610, 3242, 4350, 4863, 6525, 8105, 9726, 13050, 14589, 16210, 24315, 29178, 40525, 47009, 48630, 72945, 81050, 94018, 121575, 141027, 145890, 235045, 243150, 282054, 364725, 423081, 470090, 705135, 729450, 846162, 1175225, 1410270, 2115405, 2350450, 3525675, 4230810, 7051350, 10577025, 21154050]

約数ペア:

[(1, 21154050), (2, 10577025), (3, 7051350), (5, 4230810), (6, 3525675), (9, 2350450), (10, 2115405), (15, 1410270), (18, 1175225), (25, 846162), (29, 729450), (30, 705135), (45, 470090), (50, 423081), (58, 364725), (75, 282054), (87, 243150), (90, 235045), (145, 145890), (150, 141027), (174, 121575), (225, 94018), (261, 81050), (290, 72945), (435, 48630), (450, 47009), (522, 40525), (725, 29178), (870, 24315), (1305, 16210), (1450, 14589), (1621, 13050), (2175, 9726), (2610, 8105), (3242, 6525), (4350, 4863)]