21726075

素因数分解:

$3^1\times 5^2\times 7^1\times {\mathrm{29}}^1\times {\mathrm{1427}}^1$

素因数の和:1476

約数の個数: 48

約数和(自身を含む): 42497280

約数和(自身を除く): 20771205

約数列:

[1, 3, 5, 7, 15, 21, 25, 29, 35, 75, 87, 105, 145, 175, 203, 435, 525, 609, 725, 1015, 1427, 2175, 3045, 4281, 5075, 7135, 9989, 15225, 21405, 29967, 35675, 41383, 49945, 107025, 124149, 149835, 206915, 249725, 289681, 620745, 749175, 869043, 1034575, 1448405, 3103725, 4345215, 7242025, 21726075]

約数ペア:

[(1, 21726075), (3, 7242025), (5, 4345215), (7, 3103725), (15, 1448405), (21, 1034575), (25, 869043), (29, 749175), (35, 620745), (75, 289681), (87, 249725), (105, 206915), (145, 149835), (175, 124149), (203, 107025), (435, 49945), (525, 41383), (609, 35675), (725, 29967), (1015, 21405), (1427, 15225), (2175, 9989), (3045, 7135), (4281, 5075)]