21972300

素因数分解:

$2^2\times 3^1\times 5^2\times 7^1\times {\mathrm{10463}}^1$

素因数の和:10487

約数の個数: 72

約数和(自身を含む): 72662016

約数和(自身を除く): 50689716

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 25, 28, 30, 35, 42, 50, 60, 70, 75, 84, 100, 105, 140, 150, 175, 210, 300, 350, 420, 525, 700, 1050, 2100, 10463, 20926, 31389, 41852, 52315, 62778, 73241, 104630, 125556, 146482, 156945, 209260, 219723, 261575, 292964, 313890, 366205, 439446, 523150, 627780, 732410, 784725, 878892, 1046300, 1098615, 1464820, 1569450, 1831025, 2197230, 3138900, 3662050, 4394460, 5493075, 7324100, 10986150, 21972300]

約数ペア:

[(1, 21972300), (2, 10986150), (3, 7324100), (4, 5493075), (5, 4394460), (6, 3662050), (7, 3138900), (10, 2197230), (12, 1831025), (14, 1569450), (15, 1464820), (20, 1098615), (21, 1046300), (25, 878892), (28, 784725), (30, 732410), (35, 627780), (42, 523150), (50, 439446), (60, 366205), (70, 313890), (75, 292964), (84, 261575), (100, 219723), (105, 209260), (140, 156945), (150, 146482), (175, 125556), (210, 104630), (300, 73241), (350, 62778), (420, 52315), (525, 41852), (700, 31389), (1050, 20926), (2100, 10463)]