21934395

素因数分解:

$3^5\times 5^1\times 7^1\times {\mathrm{2579}}^1$

素因数の和:2606

約数の個数: 48

約数和(自身を含む): 45077760

約数和(自身を除く): 23143365

約数列:

[1, 3, 5, 7, 9, 15, 21, 27, 35, 45, 63, 81, 105, 135, 189, 243, 315, 405, 567, 945, 1215, 1701, 2579, 2835, 7737, 8505, 12895, 18053, 23211, 38685, 54159, 69633, 90265, 116055, 162477, 208899, 270795, 348165, 487431, 626697, 812385, 1044495, 1462293, 2437155, 3133485, 4386879, 7311465, 21934395]

約数ペア:

[(1, 21934395), (3, 7311465), (5, 4386879), (7, 3133485), (9, 2437155), (15, 1462293), (21, 1044495), (27, 812385), (35, 626697), (45, 487431), (63, 348165), (81, 270795), (105, 208899), (135, 162477), (189, 116055), (243, 90265), (315, 69633), (405, 54159), (567, 38685), (945, 23211), (1215, 18053), (1701, 12895), (2579, 8505), (2835, 7737)]