21050700

素因数分解:

$2^2\times 3^1\times 5^2\times {\mathrm{11}}^1\times {\mathrm{6379}}^1$

素因数の和:6407

約数の個数: 72

約数和(自身を含む): 66454080

約数和(自身を除く): 45403380

約数列:

[1, 2, 3, 4, 5, 6, 10, 11, 12, 15, 20, 22, 25, 30, 33, 44, 50, 55, 60, 66, 75, 100, 110, 132, 150, 165, 220, 275, 300, 330, 550, 660, 825, 1100, 1650, 3300, 6379, 12758, 19137, 25516, 31895, 38274, 63790, 70169, 76548, 95685, 127580, 140338, 159475, 191370, 210507, 280676, 318950, 350845, 382740, 421014, 478425, 637900, 701690, 842028, 956850, 1052535, 1403380, 1754225, 1913700, 2105070, 3508450, 4210140, 5262675, 7016900, 10525350, 21050700]

約数ペア:

[(1, 21050700), (2, 10525350), (3, 7016900), (4, 5262675), (5, 4210140), (6, 3508450), (10, 2105070), (11, 1913700), (12, 1754225), (15, 1403380), (20, 1052535), (22, 956850), (25, 842028), (30, 701690), (33, 637900), (44, 478425), (50, 421014), (55, 382740), (60, 350845), (66, 318950), (75, 280676), (100, 210507), (110, 191370), (132, 159475), (150, 140338), (165, 127580), (220, 95685), (275, 76548), (300, 70169), (330, 63790), (550, 38274), (660, 31895), (825, 25516), (1100, 19137), (1650, 12758), (3300, 6379)]