21507472239

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{53}}^1\times {\mathrm{285977}}^1$

素因数の和:286087

約数の個数: 32

約数和(自身を含む): 32615218944

約数和(自身を除く): 11107746705

約数列:

[1, 3, 11, 33, 43, 53, 129, 159, 473, 583, 1419, 1749, 2279, 6837, 25069, 75207, 285977, 857931, 3145747, 9437241, 12297011, 15156781, 36891033, 45470343, 135267121, 166724591, 405801363, 500173773, 651741583, 1955224749, 7169157413, 21507472239]

約数ペア:

[(1, 21507472239), (3, 7169157413), (11, 1955224749), (33, 651741583), (43, 500173773), (53, 405801363), (129, 166724591), (159, 135267121), (473, 45470343), (583, 36891033), (1419, 15156781), (1749, 12297011), (2279, 9437241), (6837, 3145747), (25069, 857931), (75207, 285977)]