21421935

素因数分解:

$3^3\times 5^1\times {\mathrm{107}}^1\times {\mathrm{1483}}^1$

素因数の和:1604

約数の個数: 32

約数和(自身を含む): 38465280

約数和(自身を除く): 17043345

約数列:

[1, 3, 5, 9, 15, 27, 45, 107, 135, 321, 535, 963, 1483, 1605, 2889, 4449, 4815, 7415, 13347, 14445, 22245, 40041, 66735, 158681, 200205, 476043, 793405, 1428129, 2380215, 4284387, 7140645, 21421935]

約数ペア:

[(1, 21421935), (3, 7140645), (5, 4284387), (9, 2380215), (15, 1428129), (27, 793405), (45, 476043), (107, 200205), (135, 158681), (321, 66735), (535, 40041), (963, 22245), (1483, 14445), (1605, 13347), (2889, 7415), (4449, 4815)]