21788056

素因数分解:

$2^3\times {\mathrm{41}}^1\times {\mathrm{181}}^1\times {\mathrm{367}}^1$

素因数の和:595

約数の個数: 32

約数和(自身を含む): 42194880

約数和(自身を除く): 20406824

約数列:

[1, 2, 4, 8, 41, 82, 164, 181, 328, 362, 367, 724, 734, 1448, 1468, 2936, 7421, 14842, 15047, 29684, 30094, 59368, 60188, 66427, 120376, 132854, 265708, 531416, 2723507, 5447014, 10894028, 21788056]

約数ペア:

[(1, 21788056), (2, 10894028), (4, 5447014), (8, 2723507), (41, 531416), (82, 265708), (164, 132854), (181, 120376), (328, 66427), (362, 60188), (367, 59368), (724, 30094), (734, 29684), (1448, 15047), (1468, 14842), (2936, 7421)]