21685075125

素因数分解:

$3^1\times 5^3\times 7^1\times {\mathrm{487}}^1\times {\mathrm{16963}}^1$

素因数の和:17475

約数の個数: 64

約数和(自身を含む): 41325932544

約数和(自身を除く): 19640857419

約数列:

[1, 3, 5, 7, 15, 21, 25, 35, 75, 105, 125, 175, 375, 487, 525, 875, 1461, 2435, 2625, 3409, 7305, 10227, 12175, 16963, 17045, 36525, 50889, 51135, 60875, 84815, 85225, 118741, 182625, 254445, 255675, 356223, 424075, 426125, 593705, 1272225, 1278375, 1781115, 2120375, 2968525, 6361125, 8260981, 8905575, 14842625, 24782943, 41304905, 44527875, 57826867, 123914715, 173480601, 206524525, 289134335, 619573575, 867403005, 1032622625, 1445671675, 3097867875, 4337015025, 7228358375, 21685075125]

約数ペア:

[(1, 21685075125), (3, 7228358375), (5, 4337015025), (7, 3097867875), (15, 1445671675), (21, 1032622625), (25, 867403005), (35, 619573575), (75, 289134335), (105, 206524525), (125, 173480601), (175, 123914715), (375, 57826867), (487, 44527875), (525, 41304905), (875, 24782943), (1461, 14842625), (2435, 8905575), (2625, 8260981), (3409, 6361125), (7305, 2968525), (10227, 2120375), (12175, 1781115), (16963, 1278375), (17045, 1272225), (36525, 593705), (50889, 426125), (51135, 424075), (60875, 356223), (84815, 255675), (85225, 254445), (118741, 182625)]